D is the answer because the pass tense of practice is practiced and that’s what was needed to be the answer .
It is John Gardner's novel "Grendel" from 1971 that initiated the trend of telling a story from a monster's point of view. The story is essentially the epic poem Beowulf spoken trough the eyes of Grendel.
The adjective clause is B.
Idk thats why we have the internet
