The Answer to the question is A
It’s The Who of the story because literary nonfiction reads like fiction and has story elements, like character, setting and plot. Some examples of literary nonfiction include personal journals, diaries, memoirs, letters, and essays.
Adverb phrases describe why something is done, or how, or where: they gave more information about the circumstance.
Here it's <span>C. During our second visit - it gives the information about when the relevant action happened. </span>