【题目】This is a very interesting book．I'll buy it ________.
A.no matter how it may cost
B.how may it cost
C.how much may it cost
D.however much it may cost

【答案】D
【解析】句意：这是一本很有趣的书。不管花多少钱我要把它买下来。这里考查状语从句，however much=no matter how much无论多少钱，所以答案是D。