without. an efficient, accessible rail system encourages visitors to a city because they feel confident they will be able to get around with ease.
with the advantages of trains, it might at first appear somewhat confusing as to why several major american cities lack a vast rail network; however, there are actually good reasons that trains have not commandeered the landscape in more places. the infrastructure is expensive and takes time and effort to construct. further, shifting from a \car culture\ to a \mass transit culture\ can be a challenge.
1 people often have to experience rail travel firsthand before they recognize its advantages. 2 in spite of these concerns, when the benefits of trains are truly considered, a shift is possible in more places. 3 the key to success is starting small. 4 cities can first offer a commuter rail system in the most dense workplace districts and then expand from there once ridership grows.
the following question asks about the paragraph as a whole.
for the sake of logic and coherence, sentence 2 should be placed:
select one answer
a where it is now.
b before sentence 1.
c after sentence 3.
d after sentence 4.
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Accepted Answer

# Brief Explanations:
To determine the correct placement of sentence 2, we analyze the logical flow. Sentence 1 talks about people needing to experience rail travel to recognize its advantages. Sentence 2 ("In spite of these concerns, when the benefits of trains are truly considered, a shift is possible in more places") introduces a contrast and a positive note about the shift. Sentence 3 ("The key to success is starting small") and sentence 4 ("Cities can first offer a commuter rail system...") then discuss how to make the shift possible.

If we place sentence 2 after sentence 4: Sentence 4 ends with "once ridership grows", and sentence 2's idea of "a shift is possible in more places" would logically follow the explanation of how cities can start small and expand (sentences 3 - 4). Let's check other options:
- Option A (where it is now): Sentence 2 is between sentence 1 and 3. But sentence 1 is about experiencing rail, sentence 2 introduces the shift, and then sentence 3 talks about starting small. The flow is less logical here because sentence 3 and 4 are about implementing the shift, so sentence 2 (talking about the possibility of the shift) should come after the implementation details? No, wait, actually, the correct flow should be: first, people need to experience rail (sentence 1), then the possibility of shift (sentence 2), then how to do it (sentences 3 - 4). Wait, no, let's re - evaluate.

Wait, the original placement of sentence 2 is between 1 and 3. But let's look at the context. The first part of the paragraph (before the numbered sentences) talks about why trains aren't more common, then the numbered sentences are about the possibility and how to do it.

Wait, sentence 1: People need to experience rail to see its advantages.

Sentence 2: In spite of concerns, shift is possible.

Sentence 3: Key is starting small.

Sentence 4: Cities can start with commuter rail.

If we place sentence 2 after sentence 4: Sentence 4 is about cities starting small, then sentence 2 says shift is possible in more places. That makes sense because after explaining how cities can start small (sentences 3 - 4), we can then say that because of this approach, the shift is possible in more places.

Wait, no, let's check the logical coherence. The idea is: first, people need to experience rail (sentence 1). Then, despite concerns, the shift is possible (sentence 2). Then, how to make the shift possible (start small, cities start with commuter rail - sentences 3 - 4). But if sentence 2 is after sentence 4, then after explaining how to start small, we say the shift is possible. That also makes sense. Wait, maybe I made a mistake earlier.

Wait, let's re - examine the options:

Option A: where it is now (between 1 and 3). Let's see the flow:

1. People need to experience rail.

2. In spite of concerns, shift is possible.

3. Key is starting small.

4. Cities start with commuter rail.

This flow is: people need to experience, then shift is possible, then how to do it. This is a logical flow. But wait, the other part of the paragraph (before the numbered sentences) talks about why trains aren't more common, then the numbered sentences are about the solution.

Wait, maybe the correct answer is D (after sentence 4). Let's think again.

The first part of the paragraph (non - numbered) says that trains have advantages but aren't more common, then the numbered sentences are about the possibility and how to achieve it.

Sentence 1: People need to experience rail to see its benefits.

Sentence 3: Key is starting small.

Sentence 4: Cities can start with commuter rail.

Then sentence 2: In spite of concerns, shift is possible in more places. This would mean that after explaining how cities can start small (sentences 3 - 4), we conclude that the shift is possible in more places. This makes sense because the explanation of the method (start small) leads to the conclusion that the shift is possible.

If we place sentence 2 where it is now (between 1 and 3), the flow is: people need to experience, shift is possible, then start small. But the "start small" is the method to make the shift possible, so it's better to have the "shift is possible" after the method is explained? No, that's not right. Wait, the "shift is possible" is the main idea, and then the "start small" is the way to achieve it. So the correct order should be: people need to experience (1), shift is possible (2), then how to do it (3 - 4). But that would mean sentence 2 should be between 1 and 3 (option A). But that contradicts the earlier thought.

Wait, maybe the error is in my initial analysis. Let's look at the context again. The first part of the paragraph (before the numbered sentences) is: "With the advantages of trains, it might at first appear somewhat confusing as to why several major American cities lack a vast rail network; however, there are actually good reasons that trains have not commandeered the landscape in more places. The infrastructure is expensive and takes time and effort to construct. Further, shifting from a 'car culture' to a'mass transit culture' can be a challenge."

Then the numbered sentences:

[1] People often have to experience rail travel firsthand before they recognize its advantages.

[2] In spite of these concerns, when the benefits of trains are truly considered, a shift is possible in more places.

[3] The key to success is starting small.

[4] Cities can first offer a commuter rail system in the most dense workplace districts and then expand from there once ridership grows.

Wait, the "these concerns" in sentence 2 refers to the concerns mentioned in the non - numbered part (infrastructure cost, shift challenge) and maybe also the idea in sentence 1 (people need to experience rail). So sentence 2 should come after the concerns are presented. The non - numbered part presents the concerns, then sentence 1 talks about people's perception, then sentence 2 says despite concerns, shift is possible, then sentences 3 - 4 talk about how to do it. But in the current placement (between 1 and 3), it's:

1. People need to experience.

2. Despite concerns, shift is possible.

3. Start small.

4. Cities start with commuter rail.

This is a logical flow: first, people's perception, then possibility of shift, then how to achieve shift.

But the question is about the best placement for logic and coherence. Let's check option D (after sentence 4). If we place sentence 2 after sentence 4:

1. People need to experience.

3. Start small.

4. Cities start with commuter rail.

2. Despite concerns, shift is possible in more places.

This also makes sense because after explaining how cities can start small (sentences 3 - 4), we can say that because of this approach, the shift is possible in more places.

Wait, now I'm confused. Let's look for the logical connection. The "shift" in sentence 2 refers to the shift from car culture to mass transit culture. Sentences 3 - 4 are about how cities can implement the shift (start small, commuter rail). So after explaining the implementation (sentences 3 - 4), saying that the shift is possible in more places (sentence 2) is a conclusion. So the correct placement is after sentence 4 (option D).

Wait, no, let's think of the paragraph structure. The first part (non - numbered) explains why trains aren't more common. Then the numbered sentences are the solution:

- Sentence 1: People need to experience rail to see its benefits.

- Sentence 2: Despite concerns, shift is possible.

- Sentence 3: Key is starting small.

- Sentence 4: Cities start with commuter rail.

But if we place sentence 2 after sentence 4, the structure is:

- Sentence 1: People need to experience.

- Sentence 3: Key is starting small.

- Sentence 4: Cities start with commuter rail.

- Sentence 2: Despite concerns, shift is possible.

This makes sense because after showing how cities can start small (sentences 3 - 4), we can conclude that the shift is possible. So the correct answer is D.
# Answer:
D. after sentence 4

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