At One Time,80 Percent of U

At one time,80 percent of U.S.babies born out of wedlock were given up for adoption.This rate has dropped to about 2 or 3 percent because today

A) most unwed mothers keep their babies.
B) most babies are African American or biracial,and many people oppose transracial adoption.
C) most babies available for adoption are physically handicapped and not adoptable.
D) it is less expensive to use fertility technologies than to adopt.