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
The cell most sensitive to radiotherapy: 
Select and explain. 
A. Neutrophil, B. Lymphocyte, C. Monocyte, D. Platelet
B: Lymphocyte
Answer: B: Lymphocyte 
Explanation: Lymphocyte