This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Psychiatry
Treatment of Bipolar disorder includes: 
Select and explain. 
A. Anti-depressant drugs, B. Lithium carbonate, C. ECT, D. All
D: All
Answer: D: All 
Explanation: A, C, B i.e. Anti-depressant drugs, ECT, Lithium carbonate