This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Pharmacology
An otherwise asymptomatic child was found to have hypeension. On fuher evaluation, his Urine analysis revealed 2-3 pus cells/HPF and 2-4 RBCs. Which of the following would be the most likely diagnosis? NOT RELATED-MEDICINE 
Select and explain. 
A. Post-Streptococal GN, B. Idiopathic RPGN, C. Interstitial nephritis, D. VUR with reflux nephropathy
D: VUR with reflux nephropathy
Answer: D: VUR with reflux nephropathy 
Explanation: Chronic Reflux-Associated Pyelonephri s (Reflux Nephropathy)