Which Statement BEST Summarizes the Current Approach of the U

Which statement BEST summarizes the current approach of the U.S. Census Bureau to self-definitions of race?

A) Each person recorded by the census must choose one race with which to identify.
B) The U.S. Census Bureau eliminated "race" as a category in the 2010 census.
C) The U.S. Census Bureau considers "race" and "ethnicity" as equivalent.
D) Individuals may choose to identify themselves with more than one racial group.