Excerpt from Conserving Energy and Preserving the Environment
Bureau of Transportation Statistics: US D.O.T.
2 Our communities, the economy and much of our lives are organized around our ability to travel easily and efficiently from home to work or school, to shop or play, to receive medical care or just for the sheer pleasure of traveling. (1) This freedom has certain costs that accompany its many benefits. (2) Vehicles, public and private, have to be purchased and operated; (3)roads must be built and maintained; laws must be enforced so many people can travel at the same time; and (4) hundreds of thousands of accidents inevitably occur.
Which revision changes the underlined clause labeled (3) in paragraph 2 from passive voice to active voice?
A) roads, public and private, must be built and maintained
B) roads must be maintained by public and private donations
C) the Department of Transportation (D.O.T.) must build and maintain roads
D) the Government roads, public and private, must be maintained by those who built them