一道居然没有被NN讲解过的难题: PREP 58

原来有一些新手们自己的解释, 都不够convincing. 请教NN出手点拨一二.

58. Diesel engines burn as much as 30% less fuel than gasoline engines of comparable size, as well as emitting far less carbon dioxide gas and far fewer of the other gasses that have been implicated in global warming.

A  of comparable size , as well as emitting far less carbon dioxide gas and far fewer of the other gasses that have

B of comparable size, as well as emit far less carbon dioxide gas and far fewer of the other gasses having

C of comparable size, and also they emit far fewer carbon dioxide and other gasses that have

D that have a comparable size, and also they emit far fewer of the other gasses having

E that have a comparable size, as well as emitting far fewer of the other gasses having

A: correct

B: as well as emit如果和burn平行，应该没有前面的逗号，如果做伴随状语应该改emitting；having been implicated，分词的完成时态不能说定语

C: fewer 修饰可数名词

D: that have a有点啰嗦；having… 啰嗦

E: 同上

注意：

1、as well as的用法，一种用来做连词，此时要求前后词语平行对称，一种用来做介词表示In addition to，后面要跟动词得分词形式，一般位于句尾表示伴随状态。

谢谢二楼! 但我已经得到了N人的指点 - 超正点的解释,与大家共享