Which of the Following Shifts the Demand Curve for Oranges

Multiple Choice

Which of the following shifts the demand curve for oranges?

A) disastrous weather that destroys about half of this year's orange crop
B) a decrease in the price of a pound of bananas, a substitute in consumption for oranges
C) an increase in the price of the fuel used to transport oranges to supermarkets
D) great weather that produces a bumper orange crop this year