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
Movement of stapes causes vibration in - 
Select and explain. 
A. Scala media, B. Scala tympani, C. Scala vestibuli, D. Semicircular canal
C: Scala vestibuli
Answer: C: Scala vestibuli 
Explanation: None