This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Eye, Nose and Ear, Subject name: Anatomy
[{'content': 'Perilymph enters the subarachnoid space the \nSelect and explain. \nA. Cochlear duct, B. Ductus Reuniens, C. Perilymphatic Duct, D. Vestibular Aqueduct', 'role': 'user'}, {'content': 'Answer: C \nExplanation: C. The perilymph enters the subarachnoid space of the posterior cranial fossa the cochlear aqueduct, which contains the perilymphatic duct.', 'role': 'assistant'}]