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 31 year old female patient complains of bilateral impairment of hearing for the past 5 years. On examination, tympanic membrane is normal and audiogram shows a bilateral conductive deafness. Acoustic reflexes are absent. All constitute pa of treatment EXCEPT: \nSelect and explain. \nA. Hearing aid, B. Stapectomy, C. Sodium fluoride, D. Gentamycin', 'role': 'user'}, {'content': 'Answer: D \nExplanation: There is no medical treatment that cures otosclerosis. Sodium fluoride has been tried to hasten the maturity of active focus and arrest fuher cochlear loss, but controversies exist and this treatment is NOT recommended generally', 'role': 'assistant'}]