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: Medicine
[{'content': 'A 35-years-old man Ramu has fasting and postprandial blood sugar within normal limit but urine sugar is 3 plus (+++). The diagnosis is - \nSelect and explain. \nA. Renal Glycosuria, B. Pancreatic insufficiency, C. Alimentary glycosuria, D. High carbohydrate diet taken in the morning', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]