D- seriousness
The excerpt says,” these violent delights has violent ends, And their triumph die, like fire and powder,” hearing this, we can get rid of excitement and hopefulness. This leaves us with chaos and seriousness. Now it’s not chaos because it’s not like gore. That would be chaos. So this leaves us with one answer and that is seriousness.
Answer:
Idiom
Explanation:
An Idiom is exaggeration using words that could have a double meaning.
I would say that it depends on the audience. Personally, a debate regarding ethics and moral dilemma is interesting. Read The Fat Man and the Impending Doom. It's just one paragraph so it's not going to bore audience.
https://thedailydilemma.wordpress.com/2007/06/18/fat-man/
I believe that this type is a lecture-forum discussion.