(南京市2008—2009学年度第一学期期末调研测试卷)—Is this the painting you offered $1000 for on the Internet?
—Yeah, I will give you 15% discount if you like it.
A. when
B. which
C. as
D. what
网友回答
A. when
(答案→)B. which
C. as
D. what
解析：考察定语从句关系代词的用法。先行词 painting在定语从句中是介词for 的宾语，应选用冠词动词which。