你应该在什么时候应用四秒规则？

37. 你应该在什么时候应用四秒规则？

单选题正确率: 90%

A. 如果道路湿滑或结霜，或者你正在拖曳拖车 B. 如果你的刹车几乎磨损完毕 C. 如果你的时速超过100公里 D. 在夜间

恭喜，答对了！ {{vm.result.explain}}

答案不正确！ {{vm.result.explain}}

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