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': 'Absolute indication of Classical Cesarean section is : \nSelect and explain. \nA. Carcinoma cervix, B. Breech presentation, C. Transverse lie, D. Placenta pre', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Carcinoma cervix', 'role': 'assistant'}]