What does the quoted part describe？

Reading ComprehensionRead the quoted parts carefully and answer the questions in English.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 button was pressed two hundred times by a butler‘s thumb.
What does the quoted part describe？
【正确答案】：

A DESCRIPTION OF GATSBY‘S PARTY.

【题目解析】：通过该段内容可以知道该选段在描述盖茨比的聚会。