This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Kidney, Subject name: Medicine
The most common cause of chronic renal failure is- 
Select and explain. 
A. Diabetes mellitus, B. Hypeension, C. Glomerular diseases, D. Interstitial diseases
A: Diabetes mellitus
Answer: A: Diabetes mellitus 
Explanation: Diabetic nephropathy is the single most common cause of chronic renal failure, accounting for 45%of patients receiving renal replacement therapy . Ref:Harrison 20th edition pg no .2144