It Is Probably Easier to Deal with the Stress Experienced

It is probably easier to deal with the stress experienced when getting a bad grade on a paper than to deal with the stress experienced from getting a bad haircut because:

A) you have some control over your grades by putting more or less effort into your work.
B) you have complete control over the person who cuts your hair.
C) you have no control over what kind of grade you get on a paper.
D) dealing with external stressors are easy, whereas internal stressors have a deeper impact.