Betsy Is Excessively Concerned That She Is Becoming Fat and Restricts

Betsy is excessively concerned that she is becoming fat and restricts her eating to avoid such a consequence.She weighs approximately 20% less than normal body weight given her height.At times,she will sit down with her family and eat a full meal,but immediately afterwards takes several laxatives.Betsy most likely

A) has anorexia,restricting type.
B) has anorexia,binge-eating-purging type.
C) has bulimia nervosa.
D) has binge-eating disorder.