Research on Elementary School Playgroups Has Found Which of the Following

Research on elementary school playgroups has found which of the following?

A) Girls often play in smaller groups, playing games that involve imitation and turn taking.
B) Girls often play in larger groups, playing games that involve imitation and turn taking.
C) Girls often play in smaller groups, playing rule-governed games that occur over larger physical distances.
D) Girls often play in larger groups, playing rule-governed games that occur over larger physical distances.