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': 'In renal disease, Albumin is first to appear in urine because - \nSelect and explain. \nA. Of its high concentration in plasma, B. Has molecular weight slightly greater than the molecules normally getting filtered, C. High Albumin: Globulin ratio, D. Tubular epithelial cells are sensitive to albumin', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]