Sociologist Robert Merton Noted That While We Expect Prejudiced People

Sociologist Robert Merton noted that while we expect prejudiced people to discriminate and unprejudiced people not to discriminate,

A) sometimes unprejudiced people discriminate anyway.
B) sometimes prejudiced people don't discriminate.
C) there is no such thing as an unprejudiced person.
D) sometimes unprejudiced people discriminate anyway and sometimes prejudiced people don't discriminate are correct.