This one is actually a good question. Well first, this is from the great gatsby. Fitzgerald was trying to give a balance view in the beginning of who the great gatsby was. And even the author, he lived a wonderful life that is why he related that into Caraway's character, having the same background as him.
The answer is B. exposition, the exposition gives info on the story and background characters before the plot takes place
Your answer will be:
B: It compares loveliness to something that can be purchased
Hope I helped,
Trisibisi. :)
4 is the answer because It looks like the correct one ,like it’s the best answer from the rest