Which of the Following Best Describes Matrix Reasoning from the WISC-IV

Which of the following best describes Matrix Reasoning from the WISC-IV?

A) Using a key that matches numbers or geometric shapes to symbols, the child must rapidly provide the correct symbols to a list of shapes or numbers.
B) The child is presented with a series of numbers and must repeat them in the same sequence or in a reversed sequence.
C) The child is presented with incomplete patterns and, from a list of five choices, must select the choice that completes the pattern.
D) The child indicates whether target symbols occur in the group of symbols presented.