Answer:
Cheer them up! Try not to bring why they are depressed into whatever you are doing. If they don't want to or just want to be alone, just let them. Everbody wants to be alone sometimes.
I think you got it right; emotional, physical, personal.
it is TRUE that our immune systems don't work as well when as well when we're under psychological stress.
I think the answer is A. gives a person the opportunity to discover the exercises that work best for his or her needs.