---- Why is the cake so expensive?
---- Maybe you don’t know a cake made of wheat costs less than made of rice.
A. one
B. that
C. the one
D. another
网友回答
(答案→)A. one
B. that
C. the one
D. another
解析：考查代词用法。One代指可数名词单数，泛指 ； that 代指可数名词单数或者不可数名词，特指 the one 代指可数名词单数，特指 ；another 用语三者或者三者以上 另一个。根据此处代指a cake ,泛指用米制成的蛋糕。句意为：可能你不知道，用小麦制成的蛋糕比用米制成的蛋糕便宜。