The answer is III: a question.
A thesis statement is a statement, usually located at the middle or end of the first or introductory paragraph of an essay or research paper. It is a condensed summary of the main claim, controlling idea, and topic that the text addresses. Through support, evidence, and arguments, the rest of the paper is dedicated to elaborate upon the thesis statement.
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.
Why do you need help with this question? It’s just asking you to give an example of an experience in your life that made you question your life and your approach to it.