Question

based on the sentence, which transition best indicates a chronological sequence?
my face instantly flushed red, and i knew that i had to formulate a plan.
yesterday, i went to lunch as if nothing had happened.
on the one hand, they did not care that i was embarrassed.
first, i needed to act as if the ridicule didnt bother me at all.
fortunately, they did not notice, and i could pretend not to care.

Explanation:

Chronological sequence transitions signal order of actions/steps. "First" directly introduces the initial step in a planned sequence, matching the context of formulating a plan. Other options: "Yesterday" refers to a separate past time, "On the one hand" shows contrast, "Fortunately" expresses luck, none indicate sequential planning.

Answer:

First, I needed to act as if the ridicule didn't bother me at all.