How does Avogadro's number relate to a mole?

OA. Avogadro's number of items equals one mole of the items.

B. Avogadro's number is a larger amount than one mole.

C. Avogadro's number can be used as a conversion factor; a mole
cannot.

D. A mole can be used as a conversion factor; Avogadro's number
cannot.