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': 'Osteomyelitis: \nSelect and explain. \nA. Never occurs in infants, B. In acute cases fracture mandible is very common, C. Of mandible can show symptoms of lip Paresthesia, D. Produces no tymphadenopathy', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]