Why Is RhoGAM Administered to Pregnant Rh‒ Women

Why is RhoGAM administered to pregnant Rh‒ women ?

A) RhoGAM will change the mother's blood type to Rh+.
B) RhoGAM will change the fetus's blood type to Rh‒.
C) RhoGAM contains Rh antigens so the mothers' antibodies can attack the RhoGAM antigens,instead of the fetus's blood cells.
D) RhoGAM contains anti-Rh antibodies,which circulate in the mothers' bloodstream to destroy any fetal RBCs there,thereby preventing the mother from making antibodies against the developing fetus's red blood cells.
E) RhoGAM contains proteins that surround the fetal RBCs and protect them from attack by maternal antibodies.