Answer:
-Dingdongdaddyjuan
I'm just writing more so it will let me put this as an answer
The answer is "she" -- which was "heo" in Old English. (He, me, and we have all been relatively unchanged since the time of Old English.)
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.