The answer would be a. semicolon because the semi-colon can be used to replace conjunctions in a sentence.
Answer:
Scrooge is such a miser that he won't even allow his clerk to have enough coal to keep him warm. Scrooge's greed is his a downfall because he's so consumed with his money that he neglects the people around him, and when all is said and done, the people are what matter most.
Wiesel's release from the concentration camp.