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
Tensile strength of wound become normal after 
Select and explain. 
A. 6 weeks, B. 4 weeks, C. 6 weeks, D. Never
D: Never
Answer: D: Never 
Explanation: Tensile strength of wound increase as days goes on. Maximum tensile strength is 60 - 80% of normal, but never becomes normal.