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': 'A child aged 3 years presented with severe sensorineural deafness, he was prescribed hearing aids but showed no improvement. What is the next line of management? \nSelect and explain. \nA. Fenestration surgery, B. Stapes mobilisation, C. Cochlear implant, D. Conservative', 'role': 'user'}, {'content': 'Answer: C \nExplanation: The patient suffers from sensorineural deafness, so fenestration and stapes mobilisation cannot be done. Such patients require heating aid or cochlear implant. Since hearing aid has not shown any benefit, cochlear implant will be indicated to provide hearing and develop speech and language. There is no conservative treatment.', 'role': 'assistant'}]