At the center of all defense mechanisms is

For infants attending daycare centers it is important that they experience sensitivity-responsiveness from both their mother and ______________________

Fill in the blank with correct word.

Jay, a ten-year-old-boy, is standing on the sidelines of a football pitch and calling out suggestions to his friends who are playing football. In this scenario, Jay is engaged in _____

A) onlooker play B) solitary play C) parallel play D) associative play