C.your perception of stress
I'd say C .......................
Because the words that come out of your mouth pretty much say everything about you, and to use personal communication in a professional enviroment would make you look unprofessional.
Answer:
<h2>Working out in a gym.</h2>
Explanation:
Among options, "working out in a gym" is the healthy activity.
What Sophia is trying to do is to encourage to a healthy activity, so going out to a bar, chewing tobacco and going to a party, those are not activities that lead to healthy results, but to alcohol and drugs consumption which attempts against any healthy habit. So, basically that's why "working out in a gym" is the right answer.