Which Statement Is True

Which statement is true?

A) Adverse impact is always illegal.
B) Hiring members of minorities at a selection rate below 80% of the selection rate of members of the majority indicates adverse impact.
C) Affirmative action requires that a company hire unqualified applicants if they are of an underrepresented race.
D) As a first step in a discrimination case, the organization must prove that discrimination was justified by a business need.