Sentence Correction

Diesel engines burn as much as 30 percent less fuel as gasoline engines with comparable size do, and they emit far less carbon dioxide and other greenhouse gases, which have been determined to be contributing to global warming.

(A) as gasoline engines with comparable size do, and they emit far less carbon dioxide and other greenhouse gases, which have been determined to be contributing

(B) as gasoline engines of comparable size do, emitting far less carbon dioxide and other greenhouse gases, which they have determined to contribute

(C) than do gasoline engines of comparable size, and they emit far less carbon dioxide and other greenhouse gases, which have been determined to contribute

(D) than do gasoline engines of comparable size, and emitting far less carbon dioxide and other greenhouse gases, which have been determined as contributors

(E) than gasoline engines whose size is comparable, and they emit far less carbon dioxide and other greenhouse gases, which have been determined as contributing


OA C

Source: GMAT Prep