A-A+
The advantage of chevrons over straight horiz
问题详情
The advantage of chevrons over straight, horizontal bars is that the former ______.
A．can keep drivers awake
B．can cut road accidents in half
C．will have a longer effect on drivers
D．will look more attractive
参考答案
正确答案：C
解析：文章最后一句“The result is a longer lasting reduction in highway speed and the number of traffic accidents”，告诉我们人字形的效果更加持久。
