Derek Pretends to Be a Baker While Playing in the Sand.He

Multiple Choice

Derek pretends to be a baker while playing in the sand.He forms five sand cookie balls,and then he forms a sixth but flattens it into a pancake."Wow! This cookie is way bigger than the others!" he exclaims.This example best illustrates Derek's ________ development.

A) socio-emotional
B) cognitive
C) moral
D) physical