This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Nephritic Syndrome, Subject name: Pathology
[{'content': 'Which of the following is the most common cause of nephrotic syndrome in adults? \nSelect and explain. \nA. IgA nephropathy, B. Focal segmental glomerulosclerosis, C. Membranous nephropathy, D. Minimal change disease', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Most common cause of nephrotic syndrome in adults is focal segmental glomerulosclerosis, followed by membranous nephropathy. Most common cause of nephrotic syndrome in children is minima change disease (MCD).', 'role': 'assistant'}]