In Reviewing the Content-Oriented Validation Strategy, Courts Require All but Which

In reviewing the content-oriented validation strategy, courts require all but which of the following types of evidence from employers?

A) The instrument must be based on a proper job evaluation.
B) The items should be properly constructed so that they accurately measure the attributes they have been designed to measure.
C) The difficulty level of the items should be appropriate for the job in question.
D) The cut-off or passing score should be set in an appropriate manner.