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 use of medical history in extraction patients is \nSelect and explain. \nA. In medico legal cases, B. To assess the growth stage of a patient, C. To determine bleeding disorder, D. To determine communicable disease', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]