Joe and Rich, Both Males, Work in a Restaurant

Joe and Rich, both males, work in a restaurant. Joe has been making comments to other employees about sexual contacts Joe claims Rich has had with a former employee and has posted hand-drawn pictures on the wall of Rich engaging in sexual acts. Rich has told Joe to stop making the comments, but he has not told their manager. Which of the following is true?

A) Because Joe and Rich are peers, Joe's behavior cannot be considered sexual harassment.
B) Because Rich has not yet filed a formal complaint, thus letting Joe know his behavior is inappropriate, Joe's actions do not qualify as sexual harassment.
C) Because Joe and Rich are both males, Joe's behavior cannot be considered sexual harassment.
D) If Rich is fired for reporting this harassment, he may be unable to obtain unemployment compensation.