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
Most Radiosensitive tumor - 
Select and explain. 
A. Brenner's tumor, B. Dysgerminoma, C. Mucinous cystadenoma, D. Teratoma
B: Dysgerminoma
Answer: B: Dysgerminoma 
Explanation: None