Chenghuan Sees a Girl Hide Her Favorite Doll in a Dresser

Chenghuan sees a girl hide her favorite doll in a dresser drawer. Later, he sees the girl's mother find the doll there and place it in a toy box. When asked where the girl will look for the doll when she returns, Chenghuan says "In the toy box." From these observations we might assume that Chenghuan

A) is a desire theorist
B) is probably less than 4 years old and does not yet fully distinguish public and private self
C) assumes that beliefs represent reality
D) is a desire theorist and assumes that beliefs represent reality
E) all of these