I believe it's D, because without "(especially the corn)" its a complete sentence that still makes sense.
One of the recurring themes in the Death of Ivan Ilyich is the two lives that people live in. One is the shallow way of life which consists of materialism and selfishness. The second is the real life which shows the truer meaning of life through deep human relationships, sense of belonging, and strength of character.
Answer: Option D : Through the character's thoughts.
Explanation:
In the passage, the character is not speaking out loud. The passage doesn't talk about the character's actions too. The character is just thinking.