If you take a look at the name Prospero, you will probably be reminded of the word prosperous. So, we can assume, based on the Prince's name, that he is prosperous, which means rich and successful, which is true, if you've read the story. However, he is a crazy, selfish hedonist, who doesn't think about his subjects at all, but rather just wants to please and save himself.
I think it might be D), but im unsure. It just seams to fit the theme of how <span>Nick said "</span>The fact that gossip had published the banns was one of the reasons I had come East."