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': 'Endolymphatic duct connects which structure \nSelect and explain. \nA. Scala media to epidural space, B. Scala vestibule to aqueduct of cochlea, C. Scala tympani to aqueduct of cochlea, D. Scala tympani to subdural space', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Endolymphatic duct formed by the union of two ducts, one each from saccule and utricle. Surgically it is exposed for the drainage or shunt operation in Meniere&;s disease. Reference Dhingra 6th edition', 'role': 'assistant'}]