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: Radiology
Which of the following is the most radiosensitive tumour? 
Select and explain. 
A. Ewing tumour, B. Hodgkin's disease, C. Carcinoma Cervix, D. Malignant fibrous histocytoma
A: Ewing tumour
Answer: A: Ewing tumour 
Explanation: Ewings sarcoma is highly radiosensitive tumor.