Which of the Following Statements About Attachment Is True

Which of the following statements about attachment is true?

A) Contact immediately after birth is the most significant factor in attachment.
B) Fathers' behavior with infants is different from the behavior of mothers even immediately after birth.
C) By age 6 months,infants display distinctive patterns of responding to mother-father differences.
D) Babies tend to laugh and wriggle around more with their mothers,but their behavior with their fathers is more subdued.