Which of the following shifts the supply curve for oranges? (以下哪一项改变了橙子的供应曲线?——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 newly discovered increase in the nutritional value of oranges一个新发现的橘子营养价值的增加
C.
an increase in the price of bananas, a substitute in consumption for oranges增加香蕉的价格,替代橙子的消费
D.
an increase in income for all orange consumers所有橙色消费者的收入增加