The answer is B.
How i know? I just took the quiz and it corrected me since I myself got the question wrong.
Explanation:
sorry it's too long I will do it later
Well you start a paragraph with an open ending question so ask about the character then answer that question and do the same for the other one and then compare or explain why they are the main characters and how they contribute to the book
I had to take that class... maybe I can help?