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: Pharmacology
Succinylcholine is a/an 
Select and explain. 
A. Intravenous anaesthetic agent, B. Non-depolarizing muscle relaxant, C. Short - acting narcotic, D. None of the above
D: None of the above
Answer: D: None of the above 
Explanation: None