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': 'Presbycusis is \nSelect and explain. \nA. Loss of accommodation power, B. Hearing loss due to ageing, C. Noise induced hearing loss, D. Congenital deafness', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Presbycusis is a sensorineural hearing loss associated with ageing. Manifests at the age of 65years (Ref: Diseases of EAR, NOSE AND THROAT by PL DHINGRA - 6th Edition)', 'role': 'assistant'}]