Which of the following shifts the demand curve for oranges? (以下哪一项改变了橙子的需求曲线?——中文由在线翻译而来,仅供参考.下同.)
A.
disastrous weather that destroys about half of this year's orange crop灾难性的天气破坏了今年橙子作物的大约一半
B.
a decrease in the price of a pound of bananas, a substitute in consumption for oranges一磅香蕉的价格下降,替代橙子的消费
C.
an increase in the price of the fuel used to transport oranges to supermarkets用于向超市运送橙子的燃料价格上涨
D.
great weather that produces a bumper orange crop this year今年天气很好,产生了丰收的橙子