Neha, a 17-year old girl, has been binging on large quantity of food, more than what most people of her age would eat. She, then, engages in purging behaviour as often as 3 or 4 times a week. She feels, as if, she has no control over it. She is most likely to be suffering from:
a. Anorexia Nervosa
b. Bulimia Nervosa
c. Binge Eating
d. Eating disorder not otherwise specified