What tone does the author develop with phrases

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.

What is the independent cause in this sentence? "if the poem is about going mad when love is lost, what would happen if love didn't die? "

What is the narrators main conflict in this passage