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': 'Which of following is not a feature in diabetic retinopathy on fundus examination – \nSelect and explain. \nA. Microaneurysms, B. Retinal hemorrhages, C. Arteriolar dilatation, D. Neovascularisation', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]