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: Gynaecology & Obstetrics
[{'content': 'True about endometrium \nSelect and explain. \nA. Has 3 distinct zones., B. Basalis layer is sloughed off during menstruation., C. Basalis layer is less hormonally responsive., D. Basalis has surface epithelium and subepithelial capillary plexus.', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Endometrium has 2 zones\n\t→ Functionalis layer\n\t→ Basalis layer\nFunctionalis layer is shed during menstruation\xa0\nFunctionalis layer lines the uterine cavity and has surface epithelium with subepithelial capillary plexus.', 'role': 'assistant'}]