Which of the Following Was Established by the Oncale Case

Which of the following was established by the Oncale case?

A) Women's sexual harassment of men can be the basis for a sexual harassment lawsuit.
B) Men's sexual harassment of women is not the basis for a sexual harassment lawsuit if the woman doesn't report the conduct until after she is no longer an employee at the company in question.
C) Same-sex harassment can be the basis for a sexual harassment lawsuit.
D) Unlawful harassment consists of any verbal or physical conduct that shows hostility towards an individual in the work environment.