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: Forensic Medicine
[{'content': 'In adults, circulatory collapse occurs after a minimum of what percentage burns of total body surface area: NIMHANS 08; TN 11 \nSelect and explain. \nA. 5%, B. 10%, C. 15%, D. 20%', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans. 15%', 'role': 'assistant'}]