I believe it's D, because without "(especially the corn)" its a complete sentence that still makes sense.
C) It modifies the word "letter"
Answer:
Golding's experience teaching unruly young boys would later serve as inspiration for his novel Lord of the Flies. Although passionate about teaching from day one, in 1940 Golding temporarily abandoned the profession to join the Royal Navy and fight in World War II.
hope this helps Goodluck
Answer:
the color scheme of the publication or journal