Which of the Following Is True About Avoiding Discrimination

Which of the following is true about avoiding discrimination?

A) A bona fide occupational qualification is a merely preferred qualification for performing a job.
B) Proving disparate impact in court requires showing the employer's intent.
C) Proving disparate treatment in court does not require the plaintiff showing the employer's intent.
D) Reasonable accommodation is provided subject to the condition of undue hardship.
E) If the four-fifths rule is satisfied, substantial evidence of discrimination exists.