单选题
Which of the following statements best expresses the main idea of the text?
A、
Drivers could change their driving habits and keep their cars in good shape.
B、
The importance of saving fuel is severely ignored.
C、
Saving gas is important and could be done in several ways.
D、
People should use fewer automobiles and make good use of telephone.
【正确答案】
C
【答案解析】
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