Additionally, A, B, and C fail to use one or both of the "-ing" forms are lacking and becoming; these forms are preferable to lack and becomes in describing progressive and ongoing conditions,
以下是引用GiGi在2003-10-28 13:43:00的发言: Students in the metropolitan school district lack math skils 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. (A) lack math skills to such a large degree as to make it difficult to absorb them into a city economy becoming. (B) lack math skills to large enough degree that they will be difficult to absorb into a city's economy that becomes.
請問以上這兩個選項錯在哪裡
B) to larget enough degree -- unidimoatic
A) after you put "students" (subject) into "to make it difficult.."