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
A 35-years-old man Ramu has fasting and postprandial blood sugar within normal limit but urine sugar is 3 plus (+++). The diagnosis is - 
Select and explain. 
A. Renal Glycosuria, B. Pancreatic insufficiency, C. Alimentary glycosuria, D. High carbohydrate diet taken in the morning
A: Renal Glycosuria
Answer: A: Renal Glycosuria 
Explanation: None