Following a decrease in the supply of oranges, the price of orange juice increased by 20 percent, which resulted in a 10 percent increase in the quantity of apple juice consumed. This implies that the cross elasticity of demand between orange juice and apple juice is 
选项为:A:$$0$$  B:$$0.5$$  C:$$1$$  D:$$2$$  E:indeterminate  请回答其中一个选项.