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': "The term Bennett's fracture is used to describe \nSelect and explain. \nA. Fracture-dislocation of metacarpophalangeal joint of thumb, B. Interphalangeal fracture dislocation of thumb, C. Anterior marginal fracture of distal end of radius, D. Fracture dislocation of trapezometacarpal joint", 'role': 'user'}, {'content': 'Answer: D \nExplanation: D i.e. Fracture dislocation of trapezometacarpal joint', 'role': 'assistant'}]