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: Medicine
[{'content': 'Fatal level of ethanol in blood: NIMHAS 13 \nSelect and explain. \nA. 100-200 mg/dl, B. 200-300 mg/dl, C. 300-400 mg/dl, D. > 500 mg/dl', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans. 300-400 mg/dl', 'role': 'assistant'}]