Imagine That a Woman in Front of You in the Supermarket

Imagine that a woman in front of you in the supermarket line starts screaming at the person at the register.The spontaneous Western explanation for her behavior would likely be that

A) the woman has a personality issue or character flaw.
B) the woman is in an unpleasant situation or environment.
C) there's some interaction between her personality and the situation that's causing her behavior.
D) the woman is having a completely random interaction with the person at the register.