The 3 authors purposes are persuade, inform and entertain. Persuade the author is using their opinion to try and get you to agree, inform the author is explaining a topic with facts and without bias, and entertain the work doesnt have either of those it will be amusing or fun
It's D. It lends a self-deprecating sense of humor that makes the narrator credible
A. It always ends in -ly.
Have you ever seen an animal walking sideways, across the sand?