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': "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 - \nSelect and explain. \nA. ADPCKD, B. ARPCKD, C. Aloport's syndrome, D. Denysh-Drash syndrome", 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]