Of Importance to the Impact of Counseling Is the Placebo

Of importance to the impact of counseling is the placebo effect,which refers to which of the following?

A) The therapist's hope that change can be made.
B) The client's belief that counseling will help them resolve their problem.
C) The client's belief that the therapist can fix their problem.
D) The family's support of the client during counseling.