The walkman I bought yesterday is quite different from you bought last month
A. that
B. which
C. the one
D. the one what
网友回答
A. that
B. which
(答案→)C. the one
D. the one what
解析：you bought last month是一个定语从句，修饰from 后面的先行词（名词或代词），从句缺少先行词。所以我们必须选择一个先行词，而A ,B 只能作关系代词，可以排除。选the one 作先行词，空上完整的答案应该是the one that,关系代词that在从句中作宾语，可以省略，所以选C。注意：当先行词是all, any, few, something, anything, the one等不定代词时只能用that不能用which。