this is a v it may very interseting book.i 'll buy it ,_ a how much may it cost b no matter howthis is a v it may very interseting book.i 'll buy it ,_a how much may it cost b no matter how it may cost c however much it may cost d how may it cost

this is a v it may very interseting book.i 'll buy it ,_ a how much may it cost b no matter howthis is a v it may very interseting book.i 'll buy it ,_a how much may it cost b no matter how it may cost c however much it may cost d how may it cost
this is a v it may very interseting book.i 'll buy it ,_ a how much may it cost b no matter how
this is a v it may very interseting book.i 'll buy it ,_
a how much may it cost b no matter how it may cost c however much it may cost d how may it cost

this is a v it may very interseting book.i 'll buy it ,_ a how much may it cost b no matter howthis is a v it may very interseting book.i 'll buy it ,_a how much may it cost b no matter how it may cost c however much it may cost d how may it cost
答案为B 因为however = no matter how 这个句子的意思是这本书很有意思,无论花多少钱我都会买下它.