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: Social & Preventive Medicine
[{'content': 'The decibels above which auditory fatigue occurs is: \nSelect and explain. \nA. 60 dB, B. 70 dB, C. 85 dB, D. 140 dB', 'role': 'user'}, {'content': 'Answer: C \nExplanation: 85 dB', 'role': 'assistant'}]