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: Microbiology
Which interleukin is called multi - CSF 
Select and explain. 
A. IL - 1, B. IL - 2, C. IL - 3, D. IL - 6
C: IL - 3
Answer: C: IL - 3 
Explanation: IL - 3 acts as multi - CSF.