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
[{'content': "Most common complication of colle's fracture is: \nSelect and explain. \nA. Stiffness of fingers, B. Sudeck's dystrophy, C. Nonunion, D. Tendon rupture", 'role': 'user'}, {'content': 'Answer: A \nExplanation: A i.e. Siffness of finger', 'role': 'assistant'}]