Every Friday five crates of oranges and lemons arrived from a fruiterer in New York——every Monday these same oranges and lemons left his back door in a pyramid of pulpless halves.These was a machine in the kitchen which could extract the juice of tw

Every Friday five crates of oranges and lemons arrived from a fruiterer in New York——every Monday these same oranges and lemons left his back door in a pyramid of pulpless halves.These was a machine in the kitchen which could extract the juice of two hundred oranges in half an hour if a little bution was pressed two hundred times by a butler's thumb.
Questions:
A.Identify the author and the title of the work from which the quoted part is taken.
B.What does the quoted part describe?
C.What is the background of the novel?

A.F.Scott Fitzgerald;The Great Gatsby.
B.A description of Gatsby's party.
C.It is set against the ending of the war.(l分)