I think you should put paratheses around it.
There's a few metaphors two examples are I thank you feom my heart and a good man's prayers are golden recompense
"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.
The items must be in chronological order if they are being put in a list
