1-21Ellen Is Underweight but Not Less Than 85 Percent of Normal

1-21.Ellen is underweight but not less than 85 percent of normal body weight.She often restricts her eating because she is intensely fearful of becoming fat.She purges at least twice a week,even though she does not eat large amounts of food at any sitting.According to the DSM-5 she should be diagnosed

A) with anorexia nervosa,binge/purge subtype.
B) with eating disorder not otherwise specified.
C) with binge eating disorder.
D) with purging disorder.