Elena Binges on High Calorie Foods and Then Makes Herself

Elena binges on high calorie foods and then makes herself throw up. She feels terribly ashamed and horrified by what she does. You would predict

A) she will not stop because her vomiting is reinforced by anxiety reduction.
B) she will stop because her vomiting is being punished by the feelings of disgust and shame.
C) she will stop making herself throw up because she is ashamed and distressed.
D) she will not stop because she has become physiologically addicted to vomiting.