I think it is the 4th one, Not 100% sure.
I’m not here to give you the answer, I’m here to give you advice
1. Pay attention to your teacher
2. Take notes and look over them
3. Be attentive on turning in assignments before their due date.
I promise your grade will improve
This is because Yu Tsun is more melancholy and full of foreboding. He says lots of ominous, uncheerful things, like "with the eyes of a man already dead, I contemplated the fluctuations of the day which would probably be my last." Since he's the narrator we hear from the most, the overall tone is one of gloom and doom. The story shows that there are many challenges as the story develops, but in the end h<span>e wraps up every little loose end to his labyrinthine narrative in the space of a single paragraph – and in this case, there's a lot to wrap up. </span>
Things are compared with other things to:
1. give them a deeper meaning
2. explainations
3. To show similarites