og-103

103. Students in the metropolitan school district lack math skills to such a large degree as to make it difficult to absorb them into a city economy becoming ever more dependent on information-based industries.

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  (A) lack math skills to such a large degree as to make it difficult to absorb them into a city economy becoming


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  (B) lack math skills to a large enough degree that they will be difficult to absorb into a city’s economy that becomes


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  (C) lack of math skills is so large as to be difficult to absorb them into a city’s economy that becomes


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  (D) are lacking so much in math skills as to be difficult to absorb into a city’s economy becoming


• (E) are so lacking in math skills that it will be difficult to absorb them into a city economy becoming

其中选项A把such改为so就对了么？OG的解释是：In A, lack is modified by a wordy and awkward construction, to such a large degree as to make it difficult to. 似乎说得不是这个意思啊？