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
Pain in the ear occurs at 
Select and explain. 
A. 140 dB, B. 120 dB, C. 80 dB, D. 160 dB
A: 140 dB
Answer: A: 140 dB 
Explanation: None