The author used imagery in this excerpt!
I believe it would be to inform, the particular excerpt isn't really informing about anything, and its not persuading the reader to do anything, simply attempting to entertain the reader with a story.
B. The punctuation belongs outside of the parenthetical citation.
1. Greasers are proud of their hair and the reputation as a gang.
2. The rules of a rumble:
-No weapons (only fists)
-First to run loses
D in my opinion but I’m am truly sorry if you get it wrong