Read these lines of poetry: An empty chair underneath a torn-up piece of paper— My sadness spreads as smooth and soft as a vapor. Through the window and under the door, It covers the walls and coats the floor. Which line contains a simile? A. "Through the window and under the door," B. "It covers the walls and coats the floor." C. "My sadness spreads as smooth and soft as a vapor." D. "An empty chair underneath a torn-up piece of paper—"