This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Chronic Kidney Disease & Diabetic Nephropathy, Subject name: Medicine
[{'content': 'Which drug can be used in patients of cardio-renal syndrome? \nSelect and explain. \nA. Insulin, B. NSAIDS, C. ACEI, D. ARB', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]