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 i.e. Siffness of finger 
Select and explain. 
A. Malunion, B. Non-union, C. Sudeck's osteodystrophy, D. Stiffness of fingers
D: Stiffness of fingers
Answer: D: Stiffness of fingers 
Explanation: D i.e. Siffness of finger