A Psychologist Who Practices Cognitive Therapy Might Try to Help

A psychologist who practices cognitive therapy might try to help a patient who suffers from a major depressive disorder by

A) using systematic desensitization to replace depression with relaxation.
B) trying to get the patient to identify irrational and self-defeating thoughts.
C) analyzing unconscious conflicts from the patient's past.
D) involving the patient in satisfying social activities.