I honestly think (A) makes most sense, though it would be better if you showed the paragraphs to make more sense of this question. I can only guess because there is no story, so I think its (A)! It relates to the title, "Aiden Goes Silent". So (A)...
LOLZ
It is usually referred to by using letters to indicate which lines rhyme; lines designated with the same letter all rhyme with each other. So it would be AA,BB
