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': "Garre's osteomyelitis is \nSelect and explain. \nA. Chronic, B. Usually seen in mandible, C. Sclerosis of diaphysis of long bones, D. All of the above", 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]