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
Drug of choice for Obscessive Compulsive Disorder 
Select and explain. 
A. Imipramine, B. Flouxetine, C. Nor tryptiline, D. Clomipramine
B: Flouxetine
Answer: B: Flouxetine 
Explanation: B i.e. fluoxetine