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': 'Which of the following would be the most appropriate treatment for rehabilitation of a patient who has bilateral profound deafness following surgery for bilateral acoustic schwannoma \nSelect and explain. \nA. Bilateral with powered digital hearing aid, B. Bilateral cochlear implants, C. Unilateral cochlear implant, D. Brain stem implant', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Brainstem implants are used when the 8th nerve has been completely severed in surgery during removal of acoustic neuroma. Ref: Textbook of diseases of ENT, PL Dhingra, 7th edition, pg no. 141', 'role': 'assistant'}]