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': '73.\tAccording to the "rule of nine" in burns, what is the percentage of burns if both the upper limbs and lower limbs are involved? \nSelect and explain. \nA. 24%, B. 6%, C. 54%, D. 72%', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]