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: Pathology
[{'content': 'Finnish of nephrotic syndrome is caused by defect in following protein - \nSelect and explain. \nA. Nephrin, B. Podocin, C. Alpha actinin, D. CD2 activated protein', 'role': 'user'}, {'content': 'Answer: A \nExplanation: . Nephrin', 'role': 'assistant'}]