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
35 years old female with choriocarcinoma treatment of choice is: 
Select and explain. 
A. Dilatation and evacuation, B. Radiotherapy, C. Hysterectomy, D. Chemotherapy
D: Chemotherapy
Answer: D: Chemotherapy 
Explanation: None