So, Wattpad is a great site from where you can read a lot of books by authors that are just learning to write or are experts. Seeing that you want some good BTS fanfictions, here are a few good ones that I'd suggest which I've read myself too. I hope they'll help you for your assignment.
June - BTS Jimin Fanfiction
Interwoven - BTS Jimin Fanfiction
Carousel - BTS Suga Fanfiction
Repose - BTS J-hope Fanfiction
Love Agent - BTS Jungkook Fanfiction
Queen - BTS V Fanfiction
Mafia - BTS Jimin Fanfiction
Lucifer - BTS V Fanfiction
Worst Guardian Angel Ever - BTS V Fanfiction
My Demon Babysitter - BTS Jimin Fanfiction.
All these books are available in Wattpad. You can just search them up.
Answer: C) While Cassius and others have noticed a difference in Brutus, Brutus explains that his actions are not because of anything they have done. It is only because Brutus is struggling with himself and has let it unfairly impact how he treats others.