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
A man 25-yrs-old presents with renal failure. His uncle died of renal failure 3 yrs ago. On slit lamp examination, keratoconus is present. Diagnosis is - 
Select and explain. 
A. ADPCKD, B. ARPCKD, C. Aloport's syndrome, D. Denysh-Drash syndrome
C: Aloport's syndrome
Answer: C: Aloport's syndrome 
Explanation: None