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
In which of the following stages general anesthesia surgery is done 
Select and explain. 
A. Stage I, B. Stage II, C. Stage III plane 2, D. Stage III plane 3
D: Stage III plane 3
Answer: D: Stage III plane 3 
Explanation: None