went with D too for the same reason.
Looking back in D ethinicity is indeed redundant and can be substituted by the pronoun "It".
According to "The Little Brown Handbook", pronouns can come before for after their antecedents. Here is an example.
Its constant increases make the tax bill a dreaded document.
Here BILL is the antecedent of pronoun ITS.
Another good link clearing this doubt
http://www.freeman.tulane.edu/mcc/docs/ ... 20after%22
A pronoun can fall either before or after the noun it refers to. If the pronoun comes afterward, the noun it refers back to is called the â€œantecedent.â€