Katniss finally realized she has “a kind of POWER”she never knew she possessed, which gives her an inner strength
<span> the ocean, beginning "Roll on, thou deep and dark blue ocean—roll!," Byron contrasts its permanence, power, and freedom with vanished civilizations: "Thy shores are empires, changed in all save thee—/ Assyria, Greece, Rome, Carthage, what are they?" The ocean remains, "Dark-heaving;—boundless, endless, and sublime—/ The image of Eternity...." </span>
I would choose the last choice, D. Adverbial.
Adverbial phrases include two or more words that serve as adverbs. So "in an hour or two" can be classified as an adverb phrase.