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: Surgery
After an open injury, the optimum time for nerve suture is - 
Select and explain. 
A. Immediately, B. Within one month, C. 1-2 month, D. When wound is free from infection
D: When wound is free from infection
Answer: D: When wound is free from infection 
Explanation: Ans. is `d' i.e., When wound is free from infection