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: Forensic Medicine
Drugs is useful in the long term treatment of alcohol dependence: COMEDK 13 
Select and explain. 
A. Acamprosate, B. Chlordiazepoxide, C. Flumazenil, D. Imipramine
A: Acamprosate
Answer: A: Acamprosate 
Explanation: Ans. Acamprosate