What Differentiates Existential Therapists from Other Therapists

What differentiates existential therapists from other therapists?

A) Existential therapists are free to use a variety of psychological techniques as long as they remember to focus on the client's human existence and not on the technique.
B) Specific techniques that have been validated by rigorous research are the hallmark of the existential therapist.
C) The existential therapist is the only one trained to interpret dreams.
D) Structure and authority are the hallmarks of existential therapy.
E) Existential therapists are the only psychotherapists who support the therapeutic benefits of intimate counselor-client relationships.