Which piece of information could probably only come from Rosa Parks's first-person narration of the story?

Segregation on buses was an unfair practice that the bus company was following.

A boycott against the bus company would hurt the bus company financially.

Rosa Parks asked a few people if they were willing to boycott the buses.

The mayor and the city commissioner were unwilling to listen to Rosa Parks's friends.

The piece of information that could probably only come from Rosa Parks's first-person narration of the story is Rosa Parks asked a few people if they were willing to boycott the buses.

Explanation:

First-person uses different subjects, when it is the first person when the narrator is the main character it uses the pronoun I, while the first person coming from the narrator who is not the main character but the writer, uses the third person to refer to the first person in the story, which makes he, she and it a substitute of first-person.