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 cells among the following is: 
Select and explain. 
A. Cells of hemopoietic series, B. Cells of erythroblastic series, C. Fibroblast, D. Erythrocytes
B: Cells of erythroblastic series
Answer: B: Cells of erythroblastic series 
Explanation: None