The answer is C.<span>present perfect</span>
use this as a guide
The answer is b. Adverbs are what tell how, in what manner, when, where, and to what extent about other words.
It browse websites and build lists of words <span />
To be uncomfortable with something?
The moral Of this fable is so well known and allowed, that to go about to enlighten it, would be like holding a candle to the sun