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': 'Microalbuminuria is defined as protein levels of - \nSelect and explain. \nA. 100-150 mg/L, B. 151-200 mg/L, C. 201-300 mg/L, D. 301-600 mg/L', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]