The most important factor in any highway safety program is the responsible citizen. Since he is a consumer, drives a car, votes, and pays taxes, the citizen is a power to be considered. His voice can influence federal, state, and local governments. He can insist on better roads and safer cars. Everyone's present concern, however, should be to drive safely in a properly inspected car, wear safety belts, and never mix liquor with driving.

Q. Underline the sentence which supports the correct answer for the first question.