Infants Form Multiple Attachments,to Both Mother and Father and Perhaps

Infants form multiple attachments,to both mother and father and perhaps to a sibling,grandparent,and so on.Which of the following statements is most consistent with available data on the impact of these attachments?

A) The primary attachment usually with the mother) is the only one that is predictive of later development.
B) The good effects of a secure attachment with one parent are canceled by the bad effects of an insecure attachment with the other parent.
C) More than one secure attachment adds value,serving as a further protective factor.
D) No data are available.