The correct answer is option C "By making the way characters speak sound authentic". Realism is a literary technique characterized by trying to represent the reality as close as possible. A way to bring readers into a story that does not have any fiction in it, is by making the characters as authentic as possible. By doing this, the readers could identify themselves with the characters and get close to the story.
I believe the correct answer choice is option <u>D. I think that John is looking glum to me. </u>
An iambic sentence should have a total of ten syllables per line. Option C. has 7 syllables, Option A. has 11 syllables, and Option B. has 9 syllables.
Hope I could help! :)
C would be the answer to your question
I would personally go with B