Which of the Following Crimes Provides the Most Clear Example

Which of the following crimes provides the most clear example of a hate crime?

A) A man sexually assaults a female student on a college campus.
B) A group of teenagers threatens to beat a homosexual man until he states that he is "straight" or heterosexual.
C) A woman assaults her husband with a baseball bat during a domestic violence incident at her home.
D) A woman posts flyers espousing anti-immigrant beliefs throughout a college campus.