A.The performance of the child is below average.
B.The performance of the child is above average.
C.The mental age of the child is equal to his actual age.
D.The performance of the child cannot be better.
A.The performance of the child is below average.
B.The performance of the child is above average.
C.The mental age of the child is equal to his actual age.
D.The performance of the child cannot be better.