Which of the Following Behaviors Are More Strongly Associated with Bulimia

Which of the following behaviors are more strongly associated with bulimia nervosa?

A) A refusal to eat, a refusal to maintain a normal body weight, and a distorted body image.
B) A regular pattern of binging and purging and an obsession with body weight and shape.
C) Eating only one meal per day.
D) Using food as a reward, eating even when not hungry, and thinking about food throughout the day.