The adverb profoundly means something similar to “extremely,” with the additional sense that it's something intense and deeply felt. If you're profoundly confused, you're very confused — confused in a way that seems bottomless. The word can also describe something that affects you greatly.
I would say roman numerals because they look more sophisticated, but I don't think it should matter.
Catharsis is the cleansing of emotions by art.
So your answer would be B).
<span>LO, praise of the prowess of people-kings</span>