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
CAGE questionnaire is used in: AP 07; MP 09; NEET 13 
Select and explain. 
A. Alcohol dependence, B. Opiate poisoning, C. Dhatura poisoning, D. Barbiturate poisoning
A: Alcohol dependence
Answer: A: Alcohol dependence 
Explanation: Ans. Alcohol dependence