Taken Together,a Variety of Outcome Studies Have Supported Which of the Following

Taken together,a variety of outcome studies have supported which of the following conclusions about the effectiveness of IPT?

A) IPT tends to be more effective for the treatment of depression in adults than psychodynamic therapies,but much less effective than cognitive-behavioral therapies.
B) IPT is more effective than other therapies for the treatment of every clinical problem that has been studied to date.
C) IPT is effective in treating clinical depression in adolescents and adults,but has been found to have negative effects when applied to the elderly.
D) IPT uniformly outperforms waitlist and control therapy groups for the treatment of clinical depression across the lifespan,but more mixed findings have been reported when applied to those with eating and substance abuse disorders.