Most of Five-Year-Old Paul's Pretend Play Is Solitary, and He

Most of five-year-old Paul's pretend play is solitary, and he rarely engages in group pretend activities even though he has many children available to play with. What can be said of Paul's play patterns?

A) They are perfectly normal for a child his age.
B) They suggest the possibility that Paul is socially immature.
C) They are normal for a boy, but would suggest immaturity in a girl.
D) They are indicative of emotional disturbance.
E) They indicate that Paul is more socially mature than his age-mates.