2. what structural element does the author use to establish the mental state of the narrator? a. a lack of punctuation that allows the reader to feel as off-balance and confused as the narrator b. run-on sentences that show the narrator is thinking too rapidly and can't focus her thoughts c. short paragraphs that move quickly from thought to thought, showing the narrator is starting to lose her mind d. long paragraphs that provide vivid detail and description of the narrator's descent into madness