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: Ophthalmology
[{'content': 'Blunt injury to the eye often causes all, except: \nSelect and explain. \nA. Choridal rupture, B. Iridodialysis, C. Avulsion of optic nerve, D. None', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]