This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Mood disorders, Subject name: Psychiatry
[{'content': 'A 72-year-old male suffering from major depression is recently trying to commit suicide multiple times. The best treatment is \nSelect and explain. \nA. Amitriptyline, B. Selegiline, C. Haloperidol, D. ECT', 'role': 'user'}, {'content': 'Answer: D \nExplanation: ECT is treatment of choice for depressed patients with suicidal tendencies Ref: Essentials of postgraduate psychiatry By JN Vyas 1st ed Pg 604-607', 'role': 'assistant'}]