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: ENT
At which level sound is painful - 
Select and explain. 
A. 100-120dB, B. 80-85dB, C. 60-65dB, D. 20-25dB
A: 100-120dB
Answer: A: 100-120dB 
Explanation: Intensity

Whisper - 30 dB
Normal conversation - 60 dB
Shout - 90 dB
Discomfort of ear - 120 dB
Pain in ear -130 dB

Ref. Dhingra, 6/e, p 19