Why does the author describe both the postive and negative reactions of autistic children to the robot Bandit?

A.
The author hope to prove that the robot cannot be used in certain situations.

B.
The author wants to explain why some children played with Bandid and some seemed uncomfortable and moved away.

C.
The author wants to show the difference between how children and adults reacted to Bandit

D.
The author is suggesting why and how Bandit can be improved