I believe the answer is A.
I hope that helped you! c:
Sorry for such late an answer, but I believe its A) Predicate Nominative.
Answer:
it is the jim crow laws as they are in the south
Explanation:
and it is about discrimination and segregation
A pronoun can substitute a noun or a noun phrase. Among the options above only C. him and D. They are pronouns: stories is a noun and many could be a pronoun if is was standing alone, but here it is a part of a noun phrase.
C. him is singular, so the right answer is D. They
the first one i am pretty sure