This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Ear, Subject name: ENT
[{'content': 'Resonance of tympanic membrance is \nSelect and explain. \nA. 800 Hz, B. 800-1600 Hz, C. 3000 Hz, D. None', 'role': 'user'}, {'content': 'Answer: B \nExplanation: External auditory canal 3000 Hz Tympanic membrane 800-1600 Hz Middle ear 800 Hz Ossicular chain 500-2000 Hz Ref: Dhingra 7e pg 17.', 'role': 'assistant'}]