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
A personal problem is one that only relates to ones self
I have no idea I’m just answering to get points. Ihope this helped in some way.