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': 'Urothelium \nSelect and explain. \nA. Ureters, B. Minor calyx, C. Urinary bladder, D. Membranous Uretha', 'role': 'user'}, {'content': "Answer: D \nExplanation: Inderbir Singh's Human Histology Pg A16 Membranous urethra is lined by transitional epithelium or urothelium", 'role': 'assistant'}]