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': 'All can be manifestation of polycystic kidney except \nSelect and explain. \nA. Urine retention, B. Renal hypeension, C. Renal failure, D. Haematuria', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Answer- A. Urine retentionChronic flank painGross and microscopic hematuria is common.NephrolithiasisHypeensionProgressive decline in renal function.', 'role': 'assistant'}]