在什么情况下必须使用前照灯？

438. 在什么情况下必须使用前照灯？

单选题正确率: 68%

A. 总是 B. 日落前一小时至日出后一小时之间 C. 日落后半小时至日出前半小时之间 D. 下午6点至早上6点之间

恭喜，答对了！ {{vm.result.explain}}

答案不正确！ {{vm.result.explain}}

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