I believe it is My Sisters which would be choice A
Because it gives them pride in what they are doing
I would say he would use words that make his tone sound sarcastic in the readers mind. Or after the character's line it would say...EXAMPLE: "Oh really" Alice said sarcastically
Are we just supposed to read it or is there supposed to be a question?
Then leaf subsides to leaf.
So Eden sank to grief,
So dawn goes down to day