Which Statement About the Effect of Child Care on Parent‒child

Which statement about the effect of child care on parent‒child attachment is true?

A) Overall, children in child care tend to be less securely attached than children who are not in child care.
B) Overall, children in child care tend to be more securely attached than children who are not in child care.
C) Only when there are other risk factors is extensive child care associated with less secure attachments.
D) In terms of maternal attachment, infants tend to do better in center-based child care than they do in other types of non-parental care.