This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Tumors of Ear, Subject name: ENT
[{'content': 'Most common benign tumour of middle ear is: \nSelect and explain. \nA. Adeno carcinoma, B. Squamous cell carcinoma, C. Glomus tumour, D. Acoustic neuroma', 'role': 'user'}, {'content': 'Answer: C \nExplanation: (c) Glomus tumour(Ref. Cummings, 6th ed., 2738)Most common benign tumour of middle ear is glomus tumour.Acoustic neuroma is the most common benign tumour of the CP angle.Squamous cell carcinoma is the most common carcinoma of the middle ear.Adenocarcinoma is an occasional glandular tumour of the middle ear.', 'role': 'assistant'}]