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: Physiology
Small lymphocyte is: 
Select and explain. 
A. Bigger than RBC, B. Same as the size of RBC, C. Smaller than RBC, D. None of these
C: Smaller than RBC
Answer: C: Smaller than RBC 
Explanation: None