Here is Benvolio's lines from the scene of Romeo and Juliet Part 2: Benvolio: I do but keep the peace: put up thy sword, Or manage it to part these men with me.The best paraphrase of Benvolio's lines would be this: I want to keep the peace, so put your sword away or use it to help me break up this brawl.Hope this answers the question.
I would say the answer is d. just as
This is because you are comparing the similarities between two things. The other words either contrast the two things or explain the relationship instead of comparing it.