This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Mental Health, Subject name: Social & Preventive Medicine
Most common psychotherapy used for depression is- 
Select and explain. 
A. Cognitive behavioral therapy (CBT), B. Reminiscent therapy (RT), C. Interpersonal therapy (IPT), D. Supportive therapy (ST)
A: Cognitive behavioral therapy (CBT)
Answer: A: Cognitive behavioral therapy (CBT) 
Explanation: Ans. is 'a' i.e. Cognitive behavioral therapy (CBT) "In CBT, the most common psychotherapy used today to treat depression, the therapist attempts to change dysfunctional beliefs and attitudes that are generating negative emotions." - Clinical Handbook of Pastoral Counseling p. 43