Richle had felt a mad, exhilarating kind of energy growing in the room, He thought he recognized the feeling from his childhood, when he felt it every day and had come to take it merely as a matter of course. He supposed that, if he had
ever thought about that deep-running aquifer of energy as a kid (he could not recall that he ever had), he would have
simply dismissed it as a fact of life, something that would always be there, like the color of his eyes
Well, that hadn't turned out to be true. The energy you drew on so extravagantly when you were a kid, the energy you
thought would never exhaust itself that slipped away somewhere between eighteen and twenty-four, to be replaced by
something much duller purpose, maybe, or goals
Source: King, Stephen It. New York: Penguin, 1987. Print
Which word describes the tone in this excerpt best?
A. optimistic
B. nostalgic
C. ironic
D. romantic