In a Study on Employment and Earnings of Native and Immigrant

In a study on employment and earnings of native and immigrant Blacks and Whites, Bucher found that

A) native and immigrant Blacks had similar earnings.
B) African-born Blacks had higher educational levels than native-born Blacks.
C) immigrants with less education had lower employment rates than native-born Blacks.
D) Only A and B are true.
E) All of the above.