'Finally' is the answer the others don't make sense if you try to read them with the rest of the sentence.
I think that this is something everyone has a different opinion on. It's not based around one thing. Someone may value trustworthiness most, while others may value loyalty, humility, humor, affection, etc. There's many possible answers to this.
A) quotations should always be cited
Near the end of a reports introductory paragraph
so the answer would b “A”