以下是引用legendends在2008-8-27 6:41:00的发言：我同意so many as 是少用，特別是在肯定句中幾乎不用，換句話說，否定句中講so many as是可以接受的，這在OG有題目可以證明，但一時沒給翻出來。 我的看法是，這A選項錯誤，恐怕還是敗在動詞不對 Never before had taxpayers confronted so many
changes at once as they had in the Tax Reform Act of 1986.
(A) so many changes at once as they had (省略了confronted) in 所以答案说它是过去完成时，时态错误 | 
