With no explanation, chose the best option from "A" or "B". Frank is going through some inner turmoil which is beginning to show on his face so his friend Andy asks him what's wrong. Frank wants to answer Andy's quesiton.

A: Frank tells Andy that nothing is wrong, and he simply is concentrating on some thoughts, so he might look weird.
B: Frank tells Andy that he's been going through some mental anguish, and he's not feeling great about it.
B.