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
The drug which is used to treat laryngospasm is 
Select and explain. 
A. Atropine, B. Diazepam, C. Neostigmine, D. Succinylcholine
D: Succinylcholine
Answer: D: Succinylcholine 
Explanation: None