Answer:
The answer would be A.
Because a decade is 10 years there for the only option that would be correct would be A.
Answer:
1. to help their company work more efficiently and more effectively
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.