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': 'Not a feature of deep burn is \nSelect and explain. \nA. Black charred skin, B. White leathery skin, C. Loss of pain sensation, D. Blisters', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]