Research Conducted in Europe as Well as the United States

Research conducted in Europe as well as the United States indicates that the intellectual development of children in high­quality child­care centers is:

A) generally not as good as that of children raised at home by their parents.
B) almost always better than that of children raised at home by their parents.
C) at least as good as that of children raised at home by their parents.
D) not as good for children of low­income parents, but is better for children of higher­income parents, compared to that of children raised at home by their parents.