It's seemed like this is a question from your class reading, and well, we can't help you if you don't provide us what is that document.
C to show how quickly the narrator moves back to the sled
Hope this helps and good luck :)
Answer:
Tests
Explanation:
Sirens show you what you want to see most through their call. It is a test of resolve if you can figure a way to sail past them without falling to the temptation.
