that I was puzzled.A. So difficult a question did he ask meB. Such difficult a question d

问题补充：

that I was puzzled.

A. So difficult a question did he ask me

B. Such difficult a question did he ask me

C. Such a difficult question he asked me

D. He asked me a so difficult question

答案：

(答案→)A. So difficult a question did he ask me

B. Such difficult a question did he ask me

C. Such a difficult question he asked me

D. He asked me a so difficult question

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