Which of the Following Statements Concerning the Use of Validity

Which of the following statements concerning the use of validity generalization for establishing the validity of a cognitive ability test is true?

A) There have been few court cases and the decisions have not been consistent.
B) There have been few court cases but the decisions have been consistent.
C) There have been many court cases and the decisions have not been consistent.
D) There have been many court cases but the decisions have demonstrated validity.