Which Statement About the Friendships of Children Under the Age

Which statement about the friendships of children under the age of 2 is true?

A) They appear to be able to select, prefer, and have more positive interactions with some children over others.
B) They show some preference for playing with some children but show no other differential behaviour toward these preferred playmates.
C) They show more positive affect toward some children but do not appear to be more likely to seek them out as playmates.
D) They are incapable of having a preferred playmate.