D. That all aspects of the piece should work together to create a certain effect
To create a "unity of effect" on the reader, it should have a certain effect on the reader. Like a really sad and depressing book should not exactly make the reader sad, but to feel the parts of the book that spoke out to the reader.
He uses the word "careless"
I’m close to graduating from my school... if it helps any?
I think the answer is "words that seem opposite or different" because it somewhat indicate a sentence which contains a comparison context clue.