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: Medicine
Chemotherapy is useful in all, except - 
Select and explain. 
A. Ewing's sarcoma, B. Germ cell tumor, C. Secondaries, D. Carcinoma cervix
D: Carcinoma cervix
Answer: D: Carcinoma cervix 
Explanation: None