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
The following is also knows as "knock out drops"or "micky finn" - 
Select and explain. 
A. Chloroform, B. Methyl alcohol, C. Chloral hydrate, D. Ethylene glycol
C: Chloral hydrate
Answer: C: Chloral hydrate 
Explanation: None