Ann Suffers from Bulimia and Has Been Gaining Weight

Ann suffers from bulimia and has been gaining weight. Her parents are concerned and have been encouraging her to go on a diet. What would you tell her and her parents?

A) "She lacks the will power to diet successfully."
B) "She has an unconscious reason to maintain weight."
C) "An inherited endocrine dysfunction is most likely responsible for the difficulty she has losing weight."
D) "Dieting is likely to contribute directly to subsequent binge eating."