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
Rave drug is: AI 11 
Select and explain. 
A. Cannabis, B. Cocaine, C. Heroin, D. Methamphetamine
D: Methamphetamine
Answer: D: Methamphetamine 
Explanation: Ans. Methamphetamine