I think your answer would be B, it points forward.
Twilight is the metaphor for aginf tha Shakespeare uses. Option C is correct.
A metaphor is understood as a figure of speech that describes an object or action in a way that isn’t literally true, but helps convey an idea or draw a comparison.
A metaphor states that one thing is another thing.
Metaphors are used in poetry, literature.
So, this literary decive is implemented in order to encourage the reader to make a comparison between two seemingly unrelated things.
You’ve got everything together, what is it you’re missing? Maybe a good conclusion or intro, which I might be able to help out with. Also is there a word minimum?
