（）sales of cars up by 30% last year, the traffic in Beijing has become increasingly terrible A. As B. Since C. For D. Wi
问题描述：
（）sales of cars up by 30% last year, the traffic in Beijing has become increasingly terrible A. As B. Since C. For D. With为什么选D求详细解析.
答
因为 sales of cars up by 30% last year是复合宾语,不是句子能接复合宾语的介词只有withsales of cars(介词宾语） up（副词做宾补） by 30% last year（状语）如果用As,要说：As sales of cars【 was】 up by 30% l...