C) Tying the paragraph together is definitely one of them. If I had to choose another one I would include B) Emphasizing the important points.
During act 2, scene 1, when Macbeth is waiting for the signal from Lady Macbeth, he hallucinates and sees a bloody dagger floating in front of him.
This vision is interpreted as Macbeth's guilt for the murder he is about to commit. The dagger he sees is the same weapon he is about to use to kill the king.
Answer:
Well, I assume that you are referring to the SECOND sentence. The only error is the missing obligatory comma after the coordinating conjunction "so."
Explanation:
1. A
2. A
3. C
Hope this helps!