What Does the Study of Daycare Conducted by the National

What does the study of daycare conducted by the National Institute of Child Health and Human Development show thus far?

A) Nonmaternal childcare is actually detrimental to the child and to human development.
B) Children in daycare almost always are more advanced than children not in such care.
C) Few differences exist between high and low quality care in their impact on child development.
D) The effects of daycare cannot be fully understood without taking into account family dimensions.