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: Pediatrics
[{'content': 'Best method of estimation of amount of proteinuria in a 2 year old child with nephrotic syndrome is \nSelect and explain. \nA. Dipstick test, B. 24 hr urine protein, C. Microalbuminuria, D. Spot urine sample for Protein/ Creatinine ratio', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]