Outcome Research Regarding the Long-Term Success of Treatment for Eating

Outcome research regarding the long-term success of treatment for eating disorders indicates that

A) anorexia nervosa patients tend to have a better prognosis than bulimia nervosa patients.
B) bulimia nervosa patients tend to have a better prognosis than anorexia nervosa patients.
C) both anorexia nervosa and bulimia nervosa patients almost always make a full and long-term recovery after treatment.
D) neither anorexia nervosa nor bulimia nervosa patients tend to make long-term recoveries, with most patients going through repeated bouts of these disorders throughout their lives.