I think it is C, but I am not to sure
The thing that is foreshadowed by the given lines is A. Mercutio’s death
<h3>What is Foreshadowing?</h3>
This refers to the literary technique of giving hints or clues about what will happen in the future.
Hence, we can see that from the given narration, the speaker talks about finding a grave man by this time tomorrow and this is a clear hint that Mercutio would die.
Read more about foreshadowing here:
brainly.com/question/96170
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This should be a slippery slope logical fallacy.
That's when you start with a thing and swiftly move on to the consequences that may come from that thing and are usually negative. Here you have the slippery slope that if you don't do your homework, you are bound to fail and end up being a failure while it is not so in reality.