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': 'Last step in fracture healing is: \nSelect and explain. \nA. Haematoma, B. Callus formation, C. Remodeling, D. Consolidation', 'role': 'user'}, {'content': 'Answer: C \nExplanation: C i.e. Remodeling', 'role': 'assistant'}]