Xena Is a Student Who Lives Alone

Xena is a student who lives alone.She is trying to decide between buying herself a pet and finding a roommate to share her apartment.Based on the research conducted by Karen Allen and her colleagues, you should advise Xena that:

A) having a dog around will reduce her stress levels the most
B) having a dog around will actually increase her stress levels
C) she will reduce her stress levels the most if she finds a roommate
D) her stress levels won't be affected by either option