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': 'Healing by Haversian Remodeling is a type of: \nSelect and explain. \nA. Primary healing., B. Secondary healing., C. Tertiary healing., D. Intermediate healing.', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]