D) to illustrate trends and patterns in data
I would do this by using context clues.
Example: This stupendous car is faster than anyone else's car!
If it is faster than anyone else's car than you can infer that stupendous means really good cause of the way it is used.
<span>They felt both frustrated and hopeful.</span>
I would venture to say that D. makes the most sense. All of the answers seem relevant but the last one seems to have the most information pertaining to the footnote. Hope this helps!
It’s (C) bc she didn’t cite her work she jus put it in.