Jia, a Chinese American, Was Mugged by a White American

Jia, a Chinese American, was mugged by a White American. All of the suspects in the police line-up are White so she finds it very difficult to identify the man who attacked her. According to research,

A) people of different racial groups tend to view members of other groups as looking all the same.
B) it is usually White people who have difficulty distinguishing between people of different races.
C) females typically experience this problem more than males, regardless of their racial group membership.
D) Both A and C are correct.