B. "But the words were hardly uttered, before the smile was struck out of his face and succeeded by an expression of such abject terror and despair, as froze the very blood of the two gentlemen below. They saw it but for a glimpse, for the window was instantly thrust down, but that glimpse had been sufficient, and they turned and left the court without a word."
This is the only option that shows Utterson being very distraught when he left Jekyll's house because of the "events that transpired at the window"
I believe the answer to this question is D. correct as is.
An independent clause is a clause or a part of a sentence that can also be another sentence on its own. It has its own subject and predicate.
Of all the sentences given, letter B has an independent clause. Why is that?
In letter B, the sentence "Alan wants to visit his friends before he returns to college." can be broken down into two sentences.
1. Alan wants to visit his friends.
2. He returns to college.
In this case, we have 2 independent clause in one sentence which is why letter B is the answer.
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