A-A+
It is useful to be able to predict the extent_
问题详情
It is useful to be able to predict the extent______a price change will affect supply and demands.
A．with which
B．to that
C．with that
D．to which请帮忙给出正确答案和分析，谢谢！
参考答案
正确答案：D
解析：能够预测价格影响供求的程度是很有用的。这是一个定语从句，由介词引导的定语从句只能用which，不能用that，排除B，C。固定短语：to the extent意为“到…程度”。
