What Two Things Are Required for a Constructive Personality Change

What two things are required for a constructive personality change to occur during psychotherapy, according to Rogers?

A) A therapist is to be directive and leading.
B) The therapist is to verbalize what personality factor needs to be changed as well as what lifestyle changes must occur for the change to take hold.
C) The therapist must demonstrate unconditional positive regard as well as experience and communicate an empathetic understanding of the person's internal frame of reference.
D) A therapist must with withhold approval and focus on communicating the person's weaknesses without showing judgment.
E) A therapist should design an ongoing program of rewards to help shape the client's behavior over time.