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 time necessary for healing of fracture depends on the following factors: \nSelect and explain. \nA. Age of the patient, B. Location of the fracture, C. Type of the fracture, D. All of the above', 'role': 'user'}, {'content': 'Answer: D \nExplanation: D i.e. All', 'role': 'assistant'}]