C. As a verb to describe what's happening in the streets
It is called an adverb. I hope this helps. :)
Answer:
I think the answer is friends support each other despite their differences because the other answers don't make much sense to me.
It sets the scene of pre-revolutionary France and demonstrates dickens’ sympathy toward the people of France at this time. The quote is important because it still shows the humanity of the peasants before it is ripped away from them by the hatred and violence brought on by the revolution.