"To write a novel", is the subject in the infinitive phrase.
His ultimate goal is to write a novel. So, "To write a novel" functions as a noun in the sentence. Hence, the answer is A. Noun.
It is somehow related because Sad Perfect is a book about a girl who has an eating disorder, as you know this is not an easy thing to deal with so it would not be uncommon to hate your life. It's not a quote from the book but it can relate.
Try using it in a sentence or finding the actual definition just for clarity.Hope this helps !
Answer: I'ma have to go with answer choice A or D because the other two don't make much sense.
Hope this narrows down ur answer choices and you don't get the answer wrong ♀️❗
Since Ramona tried hard to make several personal career profiles, that means that her best career decision is to select the career that best matches her personal information.