When Applied to the Treatment of Bulimia,the Text Authors Report

When applied to the treatment of bulimia,the text authors report on three meta-analytic studies that have revealed that cognitive-behavioral therapy:

A) is more effective than behavior or medication therapy.
B) is less effective than behavior therapy,but more effective than medication therapy.
C) reduces purging,but has a much smaller impact on binge frequency.
D) is equivalent to behavior therapy and raises the question as to what is really different between cognitive-behavioral and behavioral therapy approaches.