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': 'Organ of corti is located IN- \nSelect and explain. \nA. Membranous labyrinth, B. Bony Labyrinth, C. Middle ear, D. Medulla oblongata', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., Membranous labyrinth o Organ of corti is located on Basilar membrane of cochlear duct, which is a part of membranous labyrinth.", 'role': 'assistant'}]