Which of the Following Pairs Is Not an Example of a Cytokine

Which of the following pairs is not an example of a cytokine and its function?

A) interferons: produced by virus- infected cells to signal neighboring cells to mount antiviral defenses
B) eicosanoids: promote the replication and gathering of leukocytes
C) interleukins: regulate inflammation, fever, T cell development, and innate and adaptive immune responses
D) tumor necrosis factors: induce inflammation and kills tumor cells
E) chemokines: recruit white blood cells to areas of injury or infection