I think it is C because A is missing commas, B doesn't need them and D doesn't need one.
The book of Mice and Men had talked about the racial discrimination that was happening in the United States. The author had written down that there was an evident inequality among the inhabitants in the United States. He had differentiate how the people were treated during his time,
Answer:
interrogative
Explanation:
An interrogative pronoun is a pronoun which contains who, etc.
It is full of his peculiar verisimilitude and has all the interest of Anson's or Dampier's voyages, with a charm of style superior to even that of the latter.