Studies of Children's Play Reveal That

Studies of children's play reveal that

A) all children progress from solitary to parallel to cooperative play in the same order and at about the same rate.
B) forms of solitary play disappear from children's repertoire by age 3.
C) solitary play appears to be more cognitively advanced than cooperative play.
D) older children are more likely to embed their play in a constructive or dramatic context.