Which of the Following Statements About Group Therapy Is MOST

Which of the following statements about group therapy is MOST accurate?

A) Those in group therapy tend to take longer to improve relative to those in individual therapy.
B) Efficacy data suggests that group therapy is no less effective than individual treatment, for a variety of clients and situations.
C) Efficacy data suggests that group therapy is more effective than individual treatment, for a variety of clients and situations.
D) Group therapy should only be utilized when it is not practical or financially feasible to obtain individual treatment.