B. When is supposed by the citations because it’s a valid source
Answer:
I believe this will help you.
https://www.mvorganizing.org/what-is-the-theme-in-the-story-the-reefs/#What_is_the_setting_of_the_story_the_reefs_by_Marcella_Morris
Answer:
A
Explanation:
to summarize the events that his book will cover
sorry if its wrong it was my best guess :/
For your question i think its B