Which of the Following Is True of Children's Representation of Spatial

Which of the following is true of children's representation of spatial relations?

A) Both preoperational and concrete operational children think about and remember spatial layouts and relations in terms of their own point of view.
B) Only preoperational children think about and remember spatial layouts and relations in terms of their own point of view.
C) Only concrete operational children think about and remember spatial layouts and relations in terms of their own point of view.
D) Both preoperational and concrete operational children think about and remember spatial layouts and relations in terms of independent coordinates.