The line that best paraphrases the excerpt is A. And when I think that I’ll never see you again, beautiful creature (...).
To paraphrase is to express the meaning of something by rewording it in a different way. Both the excerpt and option A express the same: that the poet is considering the possibility of never looking at the beautiful "creature" again.
Answer:
It's option D. the exposition
Explanation:
The Exposition is similar to the “setting” part of a story. It provides you with background information about the story or characters. It also explains the begging of a story. In your case, we are being told that the setting is in Arthurian times and this itself, is the exposition as we are being “exposed” to the time period of the story.
I believe it’s because she is sure his love is true