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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