Ineed someone can explain this grammar to me? “adverbs and expressions of frequency” .

In this unit ,we learned about arguments and rhetoric.in an argument we ,not informal language.

Read the excerpt from the odyssey; 'o cyclops! would you feast on my companions? puny am i, in a caveman's hands? how do you like the beating that we gave you, you d(arn)ed cannibal? eater of guests under your roof! zeus and the gods have paid you! ' according to this excerpt, odysseus (a)is fearful of the cyclops. (b)is prideful and overly confident. (c)has been weakened by the cyclops. (d)has regrets about staying on the island.

Wiesel interrupts the narration that begin with, "a few ss officers wandered through the room, " with a parenthetical insertion. explain the purpose of the insertion.