I think it was to show how Mercutio and Benvolio were laughing and slightly mocking the capulets whilst also adding the idea that they always pick the fights and are the antagonists
There is no "following sentence" so I don't think you're ever gonna get an answer...
The word insistently could replace the word clamored or clamoures
Your answer is C: Carmen is a volunteer at the local hospital. a predicate nominative is the word in a nominative case that completes a copulative verb. for example: the word "son" in "charlie is my son"