<span>If you're not told otherwise who is your audience when you are writing
B. the reader
Hope this helps^^</span>
Answer: Yes, yes, yes very well observed.
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.