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: Microbiology
[{'content': 'Collection of urine sample of a patient of TB/kidney is done - \nSelect and explain. \nA. 24 hrs urine, B. 12 hrs urine, C. in early morning, D. Any time', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]