The answer is A, because the protagonist is the main character, and that's what Rider is. The other answers don't really make sense in terms of the role he plays in the story.
Hope I helped!
Answer: um it didnt really effect me because i still managed to talk to my friends and stuff it did make me a little frustrated because it was kind of hard to get it to work
Explanation:
D, the belief that states should vote on it