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
A knitted Dacron artery graft 
Select and explain. 
A. Is not porous, B. Is eventually dissolved by tissue reaction, C. Never gets infected, D. Can be easily incised and the opening resutured
D: Can be easily incised and the opening resutured
Answer: D: Can be easily incised and the opening resutured 
Explanation: None