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
Function of Stapedius is: 
Select and explain. 
A. Protects the ear from loud frequency sound, B. Helps in hearing sounds of low frequency, C. Helps in hearing sounds of high frequency, D. Helps in hearing whispered words
A: Protects the ear from loud frequency sound
Answer: A: Protects the ear from loud frequency sound 
Explanation: Protects the ear from loud frequency sound