Key Similarity(ies) Between Beck's Cognitive Therapy and Ellis's REBT Is/are

Key similarity(ies) between Beck's cognitive therapy and Ellis's REBT is/are:

A) Cognition is at the core of human suffering, and the therapist's job is to help clients modify distress-producing thoughts.
B) Cognition is at the core of human suffering, and therapists must coach clients in changing their behaviors.
C) Maladaptive behavior is at the core of human suffering, and therapists must help clients modify distress-producing behaviors.
D) Maladaptive behavior is always a function of early childhood trauma.
E) Deep cognitive schemas are a product of early childhood experiences.