He asked for the computer.A. did I pay how muchB. I paid how muchC. how much did I payD.

问题补充：

He asked for the computer.

A. did I pay how much

B. I paid how much

C. how much did I pay

D. how much I paid

答案：

A. did I pay how much

B. I paid how much

C. how much did I pay

D. how much I paid

解析：考查宾语从句。句意 他问我买这台电脑花了多少钱。Asked 后面跟着宾语从句，由特殊疑问词how much 来引导，用正常语序，故选D项。