A. they have won the lottery.
From reading the conclusion of the great gatsby, it seems that daisy would have mixed emotions. Firstly initially she would be happy that she can start her life again but in contradiction that her life she wanted to have was full of lies, sorrows and heartbreak.
I think C because exposition means a comprehensive description of an idea or theory and her theory/idea is that she needs to be around growing stuffz. Hope that helped :D