The correct answer is "elevated style".
This is because all of the other options do not belong to a true epic, and fit more with a satire. A true epic is supposed to be serious and present a great deed by the main hero or the heroes.
So, you may understand what is being read or said aloud.
I’d say c but don’t quote me lol
An adjective clause functions as an adjective, that is, it gives some information about a noun in a sentence (or a pronoun) ( information which is not an action).
The noun modified here is "knife" and the information about the knife, that is the complete adjective clause is "<span> that his dad gave him.
"</span>