What role do vocabulary and spelling have in showing the changes that take place in the narrator as the story unfolds

Which of the following is a complex sentence? a. after henry submitted his essay, he realized that he hadn't proofread the last page. b. identity theft is a growing problem, especially among seniors. c. we didn't have enough potatoes for dinner, so we served rice instead. d. jim tried to watch a video on a device connected to a crowded wireless network; as a result, the video stuttered and froze.

Is expression of words or ideas opposed to what is literally meant or expected called.

Me answer all of these! i’m failing in ela