This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Urinary tract, Subject name: Pathology
[{'content': 'Microalbuminuria is defined as protein level of \nSelect and explain. \nA. 100-150 mg/d, B. 151-200 mg/d, C. 30-300 mg/d, D. 301-600 mg /d', 'role': 'user'}, {'content': "Answer: C \nExplanation: The earliest manifestation of diabetes nephropathy is the apparence of low amounts of albumin in the urine (>30mg/day,but <300 mg/day) that is, Microalbuminuria Microalbuminuria is also a marker for greatly increased cardiovascular morbidity and moality for person's with either type 1 or type 2 Refer robbins 8/e p1145", 'role': 'assistant'}]