Your answer is D It helps you revise your draft because when you revise its kind of like Ex: This guy mad this book in 1928 but it was revised in 1932. Also its not A because essays give you ideas what to write about like inspiration to write about something its not B because when you get your idea you will get to organize what paragraphs does this go in the first or third paragraph sort of thing when it came down to rather C or D I choose D because C when you see example writings it always help you prepare for any sort of writing explanatory or not. Your answer is D.