Well an exposition is a <span> comprehensive description and it explains an idea or theory.
So I'm going to go with D. </span>
D to have your boss understand your reports and e-mails
It might be said that "<span>A memoir is written in first person, but a biography is written in third person" (option C) A memoir is a kind of autobiography that involves an author´s public life. it is about personal knowledge and experiences that is why it is written in first person. The biography might be written in 3rd person which might include details of public and private life. </span>
This answer mostly depends on the citation style you are using and is required of you. Out of all the possible answer provided the correct answer here would be A. (Slurry 110). This according to MLA style of citation would be a correct way to cite the author for the in text citation.