When Ponyboy says this phrase he means that they don't need to say words to share the problems they have in their life. Both of them have problems so they understand each other like no on do : Johny's parents do not pay attention to him; Pony must live his life with a big loss - death of his parents. So they both know how life can be unfair sometimes.
What is theme? the central idea, or insight, about life or human behavior that a story reveals. Big ideas in the literary work. ... Theme is the same as the work's subject.
I believe the answer is C.) he is a eager young hero For he supports his father and mother the best way he can. Being a side kick for his father, eager to become just like him. So this explains that he was (eager) to become a young hero.
