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': 'The best method to confirm the diagnosis of carcinoma cervix is : \nSelect and explain. \nA. Physical examination, B. Pap smear, C. Cervical biopsy, D. Curettage', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Cervical biopsy', 'role': 'assistant'}]