gwd4-4 prep238确定下来答案是C，但是不符合常理啊

238.
            (26655-!-item-!-188;#058&002088)     (GWD-4-4)

A new hair-growth drug is being sold for three times the price, per milligram, as the drug's maker charges for another product with the same active ingredient.

A. as

B. than

C. that

D. of what

E. at which

这道题搜索了下，争议很大，今天做了prep，确定下来是C了

但是一直不解

按理说that引导定语从句是不能跳跃修饰的，但是这题。。。

望NN解答

谢谢

在线等