Kenzie's Mother Is Being Asked to Report on Kenzie's Ability

Kenzie's mother is being asked to report on Kenzie's ability to communicate, regulate her emotions, and display certain behaviors. Why is she being asked to report on these things?

A) Because Kenzie is being assessed on a test of information processing.
B) Because Kenzie is being assessed on the Bayley Scales of Infant Development III and her mother is filling out the adaptive behavior scale.
C) Because Kenzie is being assessed on the Bayley Scales of Infant Development III language scale.
D) Because Kenzie is being assessed on the Wechsler Intelligence Scale for Children to see if she is ready for preschool.