The Treatments for Eating Disorders Have Not Been Easy to Identify

The treatments for eating disorders have not been easy to identify because

A) it is difficult to diagnose the physical symptoms of anorexia nervosa,thus many cases go undiagnosed.
B) the interaction of sociocultural,psychological,and hormonal factors makes the best course of action difficult to determine.
C) the onset of eating disorders is confounded with the onset of puberty,making it difficult to tell what the cause of the individual's disorder is.
D) teenagers are extremely difficult to talk to and are not very good at communicating what they would like their treatment to be.