When asked about her best friend, rasamee says, "my best friend is annie. we do everything together. we both love to play four square, and we always play it together at recess. annie lives near me, and she has so many fun toys that i love to play with." this description of rasamee's friendship is most characteristic of children of what age?
a) 2 years old
b) 4 years old
c) 7 years old
d) 10 years old