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': 'Menopausal ovary shows \nSelect and explain. \nA. Preponderance of primordial follicles, B. Persistent corpora albicans, C. Decreased atretic follicles, D. Decreased corpora albicans', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Menopausal ovary shows abundant atretic follicles and persistent corpora albicans.', 'role': 'assistant'}]