This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Diabetes Mellitus, Subject name: Medicine
[{'content': 'Retinopathy is most likely to be seen with \nSelect and explain. \nA. IDDM of 5 years duration, B. NIDDM of 8 years duration, C. Gestational diabetes, D. Juvenile diabetes staed before pubey', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Complication of Retinopathy/nephropathy takes 5 years to develop in type 1 diabetes. Complication of Retinopathy/nephropathy takes 15-20 years to develop in type 2 diabetes.', 'role': 'assistant'}]