This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General anatomy, Subject name: Anatomy
[{'content': 'Ansa nephroni is lined by \nSelect and explain. \nA. Columnar epithelium, B. Squamous epithelium, C. Cuboidal adn columnar epithelium, D. Cuboidal epithelium', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ansa nephroni is lined by simple squamous epithelium', 'role': 'assistant'}]