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': "Vertigo of vestibular origin, all except - \nSelect and explain. \nA. Ménière's disease, B. BPV, C. Vertebrobasilar insufficiency, D. Vestibular neuronitis", 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]