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': 'Primary receptor cells of hearing - \nSelect and explain. \nA. Supporting cell, B. Tectorial membrane, C. Tunnel ofcorti, D. Hair cell', 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. is 'd' i.e., Hair cells o Sense organ of hearing-Organ of Cortio Sensory cells of hearing-Hair cells (mainly outer)o Sensory receptors of hearing-Hair (cilia) of hair ceils", 'role': 'assistant'}]