In Order for a Therapist to Communicate 'Accurate Empathic Understanding

In order for a therapist to communicate 'accurate empathic understanding' the counsellor must:

A) have experienced a situation very similar to the client's current predicament.
B) clarify details and facts relevant to the client's experiences.
C) feel a deep sense of warmth toward the client.
D) connect emotionally to the client's subjective world.