Geraldine is intensely afraid of gaining weight and becoming fat. Although she is actually very underweight, she believes that she is overweight. Geraldine's self-esteem revolves around her appearance: when she believes that she is thin, she also believes that she is a valuable person, but when she "feels fat," she thinks that she is a failure. A few times per week, Geraldine binges. Following these binges, she vomits and then exercises for a few hours. Geraldine feels tired most of the time and has difficulty sleeping. In the past few months, she has not had her menstrual period. Based on this information, which of the following diagnoses seems to fit Geraldine?
a. anorexia, binge-eating/purging type
b. bulimia, non-purging type
c. anorexia, restricting type
d. bulimia, purging type