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': 'Most common cause of CRF in adults is: \nSelect and explain. \nA. Tuberculosis, B. Hypeension, C. Diabetes Mellitus, D. Glomerulonephritis', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Answer is C (Diabetes Mellitus): The most common cause of Chronic Renal Failure in adults is Diabetic Nephropathy (most often secondary to Type-2 Diabetes Mellitus)', 'role': 'assistant'}]