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': 'Otoacoustic emissions arise from - \nSelect and explain. \nA. Inner hair cells, B. Outer hair cells, C. Both inner and outer hair cells, D. Organ of corti', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]