Answer: Not the entire sentence. But yes it has a Prepositional phrase. If that is what you're asking.
D: visionary because that has to do with sight.
HOPE I HELPED!!!
using process of elimination you can eliminate condescending and pessimistic, and the passage doesn't really seem humorous either so your left with enthusiastic. The author seems to be happy and excited to share knowledge about how literature can make people feel, thus the best answer choice is probably enthusiastic