Research on friendships shows that __________.
a. preschoolers interact in essentially the same ways with both friends and nonfriends
b. preschoolers give more reinforcement to nonfriends than to friends
c. most friendships during the preschool years are based on mutual trust
d. children entering kindergarten who have friends in their class adjust to school more favorably

Respuesta :

the answer to your question is D.