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: Orthopaedics
[{'content': "One of the common fractures that occur during boxing by hitting with a closed fist is : \nSelect and explain. \nA. Monteggia fracture dislocation, B. Galeazzi fracture dislocation, C. Bennett's fracture dislocation, D. Smith's fracture", 'role': 'user'}, {'content': "Answer: C \nExplanation: The common mechanism of injury for Benett's fracture is an axial blow directed against the partially flexed metacarpal, in most cases during 'fist fights'.", 'role': 'assistant'}]