Read this excerpt from Extremely Loud and Incredibly Close.Even after a year, I still had an extremely difficult time doing certain things, like taking showers, for some reason, and getting into elevators, obviously. There was a lot of stuff that made me panicky, like suspension bridges, germs, airplanes, fireworks…A lot of the time I’d get that feeling like I was in the middle of a huge black ocean, or in deep space, but not in the fascinating way. It’s just that everything was incredibly far away from me. It was worst at night. I started inventing things, and then I couldn’t stop, like beavers, which I know about. People think they cut down trees so they can build dams, but in reality it’s because their teeth never stop growing....Which word from this excerpt most reveals the tone?