Explanation: If you are in a group of..lets say rebels, you are under the influence of their actions and as they beckon you to join them in their rebellious acts you start to do things that are initally against your morals and beliefs. As you continue to give in to the peer pressure you begin losing your morals and beliefs.
Answer:
It is predicate nominative in my opinion
I think the answer would be C of B but I'm agreeing more with C . Sorry if it's wrong! (: