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': 'A 3 year old child suffers from burn injury with the following body parts involved: face including scalp, both buttocks and circumferentially around both thighs. How much is TBSA involved? \nSelect and explain. \nA. 0.25, B. 0.26, C. 0.35, D. 0.45', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Using Modified Lund-Browder chart:', 'role': 'assistant'}]