This is a very interesting book. I’ll buy it .A. no matter how it may cost B. how may it c

问题补充：

This is a very interesting book. I’ll buy it,.

A. no matter how it may cost B. how may it cost

how much may it cost D. however much it may cost

答案：

解析：考查让步状语从句。句意：这是一本非常令人感兴趣的书，不管它可能花多少钱我将会买它。询问价格多少钱应用how much，不管花多少钱，要用however much，所以选D。