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
Most common bony tumor of the middle ear is - 
Select and explain. 
A. Adenocarcinoma, B. Squamous cell carcinoma, C. Glomus tumor, D. Acoustic neuroma
B: Squamous cell carcinoma
Answer: B: Squamous cell carcinoma 
Explanation: None