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: Medicine
[{'content': 'Ophthalmoplegic migraine is characterized by - \nSelect and explain. \nA. Transient diplopia, B. Headache with vomiting episodes, C. Headache with benign recurrent 3rd N. palsy, D. Headache with complete vision loss', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]