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': 'management of an open wound seen 12 hours after the injury \nSelect and explain. \nA. suturing, B. debridement and suturing, C. secondary suturing, D. heal by granulation', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]