After a New Baby Arrives, Mothers Often Devote Less Attention

After a new baby arrives, mothers often devote less attention to their older children.How does this change in attention affect the older sibling?

A) He or she becomes more disruptive, but the strength of the attachment relationship is not affected.
B) He or she becomes more disruptive, and the strength of the attachment relationships can be affected.
C) He or she forms a stronger, more secure attachment to the father.
D) He or she becomes moody and withdrawn.