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: Anatomy
[{'content': 'Structures passing through the centre of the cavernous sinus \nSelect and explain. \nA. Occulomotor nerve, B. Trochlear nerve, C. Maxillary nerve, D. Abducent nerve', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]