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: Pathology
C-C beta chemokines includes 
Select and explain. 
A. IL-8, B. Eotaxin, C. Lymphotactin, D. Fractalkine
B: Eotaxin
Answer: B: Eotaxin 
Explanation: None