Question

to summarize the central idea in a text, readers should identify the topic and then identify
little - known facts about the topic.
the authors opinion about the topic.
other readers opinions about the topic.
scientific facts about the topic.

Explanation:

The central idea of a text is the author's core message or stance regarding the topic. Identifying the topic first, then the author's specific opinion or claim about that topic captures the text's main point. Other options focus on external or supplementary details, not the central, author-driven idea.

Answer:

B. the author's opinion about the topic.