【单选题】
whiCh oF thE Following is not thE purposE oFAmEriCA’s CEntrAl BAnkA.Controlling thE Flow oF monEy in thE EConomy.
B.ovErsEEing thE ACtivitiEs oF BAnks.
C.proDuCing AnD DistriButing BAnk notEs AnD Coins.
D.ContriButing to thE mAintEnAnCE oF A stABlE FinAnCiAl systEm.