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': 'All are true of Nephrotic syndrome, except \nSelect and explain. \nA. RBC casts in urine, B. Hypo-proteinemia, C. Oedema, D. Hyperlipidemia', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]