Which best describes the purpose of brainstorming A) to come up with ideas related to the topic B) to revise the papers thesis statement C)to find the new topics D)to prepare a draft.

A) to come up with ideas related to the topic

Explanation:

since it is asking for her reaction to elnora's trouble at school you can rule out any answers with a positive response (b). then you can rule out (d), this is because it does not show the mother's reaction but the daughter's response. that leaves you with two options (a) and (c), by looking at the options you can rule out (c) because it isn't referring back to elnora's issues at school.