C. Either is a conjunction word
Gregor hates his job for numerous reasons: he dislikes traveling every day to work, he dislikes the job itself, the inferior meals, the ever changing faces... But he has to continue working because his parents owe Gregor's boss money.
hope this helps....
Foreshadowing?? If maybe later on in the story they found out they were related or something
blueberries, green tea, avocado, nuts