Regarding Peer Counselors and Self-Help Groups, Which of the Following

Regarding peer counselors and self-help groups, which of the following statements is FALSE?

A) In self-help groups, helping others also serves as therapy for those who give help.
B) Many studies have shown that peer counselors are often as effective as professionals.
C) A self-help group is usually made up of all of a psychologist's clients having the same problem.
D) Services provided by peer counselors in some communities and on college campuses are free or very low cost.