I'd suppose that the answer is most likely: c. Self-monitoring.
(I really hope this is of some help to you)
The answer to this is B. Social Identity
False. Fad diets aren't healthy not only will they damage one's mentality, it's not the proper path to go to stay healthy. Supplements won't assist you at all, its best to get nutrients like your vitamins and minerals from real food rather than that.
