Which Sentence Describes Anorexia Nervosa

Which sentence describes anorexia nervosa?

A) Anorexia nervosa is characterized by restricted caloric intake, refusal to reach or maintain an appropriate weight, and persistent behavior that interferes with weight gain.
B) Anorexia nervosa is characterized by the consumption of a significantly large of amount of food in a discrete period of time.
C) Anorexia nervosa is characterized as a disturbance to eating or feeding that leads to an inability to meet nutritional and/or energy needs.
D) Anorexia nervosa is characterized by just not wanting to eat.