The Victims of the Disorder Bulimia Nervosa Are Predominantly Young

The victims of the disorder bulimia nervosa are predominantly young females. One likely explanation for this is that young females are

A) more likely to feel an intense cultural pressure to be thin.
B) have weaker eating control than older females and males.
C) objectified by fashion designers and gay men.
D) naturally more likely to suffer from "nervous stomach" disorders than other groups.