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
Classical cesarean section in indicated in a patient with : 
Select and explain. 
A. Previous cesarean section, B. Placenta pre, C. Carcinoma cervix, D. Shoulder presentation
C: Carcinoma cervix
Answer: C: Carcinoma cervix 
Explanation: Carcinoma cervix