Ann's parents have been nagging her to lose weight; her lack of success has led to a number of heated arguments. She says she has tried to lose weight, but it is extremely difficult. She manages to lose a few pounds, but puts it right back on

What could you tell her and her parents?
a) Ann lacks will power.
b) Ann has an unconscious reason to maintain her weight.
c) As Ann loses weight, her body adjusts its metabolism so it is difficult to continue losing weight.
d) An inherited endocrine dysfunction is most likely responsible for the difficulty she has losing weight.

C