问题补充：
– Do you know the iPhone 4 yesterday?
–Sorry, I have no idea about it.
A. how much did he pay for
B. how much he paid for
C. he paid for how much
D. he paid how much for
答案：
A. how much did he pay for
(答案→)B. how much he paid for
C. he paid for how much
D. he paid how much for
解析：考查宾语从句。应用陈述句语序，疑问词在最前面，所以选B。
