If a Client-Centered Therapist Was Upset by a Client's Verbal

If a client-centered therapist was upset by a client's verbal abuse of a spouse, which of the following might the therapist do?

A) Report the client to the police.
B) Make an interpretation about how this behavior probably stems from the client's own abuse as a child.
C) Keep his reaction to himself, displaying unconditional positive regard and acceptance of this behavior.
D) Authentically share his feelings in a nonjudgmental manner with the client.