Binet and an Associate Created a Test Made Up of "Intellectual

Binet and an associate created a test made up of "intellectual" questions and problems and learned which questions an average child could answer at each age.Then,they gave other children this test and were able to tell whether a child was

A) able to comprehend the material being presented at each grade level.
B) performing up to his or her potential.
C) able to think divergently.
D) motivated to learn.