During the First Several Months After Birth, the Mother and Infant

During the first several months after birth, the mother and infant begin to know each other. This relationship progresses through several phases. Which of the following actions are to be expected in the phase of mutual regulation?

A) The infant grasps his or her mother's finger while nursing.
B) The infant begins to seek out the mother over other individuals.
C) The mother spends more time making eye-to-eye contact with the infant.
D) The mother vocalizes feelings of frustration with her infant.