This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Endocrinology, Subject name: Medicine
[{'content': 'A 59-vear-old man with type 2 diabetes goes for a screening eve examination. The ophthalmologist reports that the patient has developed non-proliferative retinopathy. (List the findings.)For the above patient with a complication of diabetes, select the most likely diagnosis or findings. \nSelect and explain. \nA. microaneurysms and hemorrhage (dot and blot), B. vitreal hemorrhage, C. dilated veins, D. open-angle glaucoma', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Background retinopathy is present in about 90% of diabetes after 25-30 years of disease. Microaneurysms, dilated veins, dot and blot hemorrhages, cotton-wool spots, and hard exudates are common findings.', 'role': 'assistant'}]