The answer is C - it shows that the former employer's racism is unchanged, and not Carolyn's responsibility to fix.
I got b but I’m not sure so I’m read over it again!!
Noun clauses are dependent clauses and can serve the role of the subject in a sentence. In this cause, the noun clause is "whomever wins the Spirit Award". The person winning the spirit award is doing an action, so they are the subject of the sentence.