Over the course of Touching Spirit Bear, Cole Matthews undergoes a dramatic transformation. You wouldn't know it by looking at him, per say—Cole mostly changes on the inside, where he learns to let go of his hang-ups and his violent tendencies, and instead tries to be a better person.
A- He believes that, in life, every individual must confront fear in some form or another.
Answer: A. Elenita versus the music of her parents' homeland.
Explanation: in literature, a conflict is a struggle between opposite forces, usually between a character (the main character or a very important one) and himself (internal conflict), society or another character (external conflict). In the given excerpt from Gravity by Judith Ortiz Cofer we can see an example of an external conflict between a character (Elenita) and the music of her parents' homeland, which her mother used to listen to in the evenings.
Since an antonym is an opposite, like a synonym is a similar word, the opposite of aggressive would be meek.