No, I don’t really know what I’m talking about so don’t pick my answer, thx!
The answer is A. The phrase “stroller-driving moms and crying babies” helps create the irritated mood.
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.
I'd say that's fairly true. As a writer myself criticism can point out faults if used correctly