The first three ethnic groups in the USA are （）.
A.White, Hispanic and Black
B.White, Black and Hispanic
C.White, Black and Asian
D.White, Asian and Black
正确答案：A
The first three ethnic groups in the USA are （）.
A.White, Hispanic and Black
B.White, Black and Hispanic
C.White, Black and Asian
D.White, Asian and Black
正确答案：A