In the ________ Century,most ________ and ________ Americans Are/were Children

In the ________ century,most ________ and ________ Americans are/were children or grandchildren of immigrants.

A) 20ᵗʰ century, legal, illegal
B) 21ˢᵗ century, Asian, Hispanic
C) 21ˢᵗ century, African, Hispanic
D) 21ˢᵗ century, African, Asian
E) 21ˢᵗ century, African, Northern European