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
[{'content': 'A 70-year-old male presents with Neck nodes. Examination reveals a Dull Tympanic Membrance, deafness and tinnitus and on evaluation Audiometry gives Curve B. The most probable diagnosis is: \nSelect and explain. \nA. Nasopharyngeal carcinoma, B. Fluid in middle ear, C. Tumor in interior ear, D. Sensorineuronal hearing loss', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]