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
Drug not used in treatment of alcohol dependence: NIMHANS 08; PGI 09, 11; TN 08; AI 11; AIIMS 14 
Select and explain. 
A. Diazepam, B. Disulfiram, C. Acamprosate, D. Naltrexone
A: Diazepam
Answer: A: Diazepam 
Explanation: Ans. Diazepam