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: Surgery
[{'content': 'Indicated technique for histopathological examination of utrine cancer for mass screening. \nSelect and explain. \nA. Exfoliative cytology., B. Brush cytology, C. FNAC, D. None of the above', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]