gwd13-8答案是C还是D呢-->happyfish0517转移

cissygu

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.

as

than

that

of what

at which

请问这题的正确答案是多少?

我认为是C

happyfish0517

c

http://forum.chasedream.com/dispbbs.asp?BoardID=34&ID=75790

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