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: Dental
Sonic frequency range is: 
Select and explain. 
A. 1000-2000 Hz, B. 1500-6000 Hz, C. 20,000-30,000 Hz, D. 10,000 Hz
B: 1500-6000 Hz
Answer: B: 1500-6000 Hz 
Explanation: None