TOEFL Listening: TPO-TOEFL听力TPO - 5YG73G9QGO85118XR$

Why does the student mention a child playing with a toy car? A. To identify a behavior that would show a child's imagination developing B. To identify a behavior that might illustrate egocentric thinking C. To give an example of a behavior he has observed D. To give an example of a behavior he would not need to describe