Which Statement Best Describes the Efficacy of Group Discussion as a Patient

Which statement best describes the efficacy of group discussion as a patient teaching strategy for educating both a patient newly diagnosed with diabetes and a patient who has had the disease for years?

A) It is an efficient use of the nurse's time.
B) It is an efficient use of the patient's time.
C) It is an effective strategy as both patients have identical goals.
D) It is not an appropriate teaching strategy.