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: Surgery
[{'content': 'Renal tuberculosis is characterised by - \nSelect and explain. \nA. Loin pain, B. Painful hematuria, C. Sterile pyuria, D. Constitutional symptoms', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]