大家来看GWD一道题 8-Q4

ranning

A new hair-growing 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.

 

1. as

2. than

3. that

4. of what

5. at which

我记得以前做过这个题，答案是C，the price that

GWD给的答案是D

正确答案应该是什么

xingren7757

我认为C