<span>Casca does not like the populace. He calls them stinking and dirty and other insulting things. The irony is in the essential role that the populace must play in any revolt once the tyrant has been deposed </span>
Absolutely necessary; extremely important.
"it is essential to keep up-to-date records"
Answer: d: the repetition supports the overall message of the poem
Explanation: the only one that makes sense