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 ratio of length of cervix and that ot corpus ot uterus in an adult woman : \nSelect and explain. \nA. 2:01, B. 1:02, C. 1:03, D. 3:01', 'role': 'user'}, {'content': 'Answer: C \nExplanation: 1:03', 'role': 'assistant'}]