People Who Do Not Have Anorexia and Are Placed on a Starvation

People who do not have anorexia and are placed on a starvation diet show many of the food preoccupations of people with anorexia nervosa. Which conclusions can be drawn from this finding?

A) Restrictive diets cause anorexia nervosa.
B) Preoccupation with food cannot be viewed as a defining characteristic of anorexia.
C) Preoccupation with food is likely the result of starvation, rather than the underlying cause of anorexia.
D) Forced starvation increases the likelihood of developing anorexia nervosa.