As well as可以等同于and么

carbonzju

Diesel engines burn as much as 30 percent less fuel than gasoline engines of comparable size, as
well as emitting far less carbon dioxide gas and far fewer of the other gases 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
gases that have
(B) of comparable size, as well as emit far less carbon dioxide gas and far fewer of the other gases
having
此处as well as v-ing是modifier. Correct idiom in GMAT.