Exercise is a good way to handle stress because

Aexercise increases oxygen supplies throughout the body, which helps in the handling of stress.
Bexercise will guarantee that the stress will go away.
Cexercise will allow you to come up with a solution to the stress.
Dthe stronger you are, the less likely you are to be exposed to stress.

Verified Answer :

I think the answer may be chosen from simply going through each answer and using common sense. 

In my opinion, the answer is "A. Exercise increases oxygen supplies throughout the body, which helps in the handling of stress." Reason(s) for picking this answer: It gives an educated answer to WHY it handles stress.

i think that the the answer is a