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.
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.