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: Pharmacology
The drug of choice in obsessive compulsive disorder is which one of the following: 
Select and explain. 
A. Sertraline, B. Amoxapine, C. Hydroxyzine, D. Alprazolam
A: Sertraline
Answer: A: Sertraline 
Explanation: None