All of the Following Are Reasons Why Z Scores Are

All of the following are reasons why Z scores are used to help determine the degree of linear correlation EXCEPT:

A) Z scores give a standard indication of just how high or low each score is.
B) The sum of the cross-products of Z scores gives you a large positive number if there is a positive correlation and a large negative number if there is a negative correlation.
C) Because of the nature of Z scores, the cross-product will be positive in all cases.
D) Using Z scores allows you to compare scores on different measures.