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: Biochemistry
[{'content': "Rothera's test is used for - \nSelect and explain. \nA. Bilirubine in urine, B. Sugar in urine, C. Protein in urine, D. Ketone bodies in urine", 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]