在拐角处转弯前，你需要打信号灯多长时间？

332. 在拐角处转弯前，你需要打信号灯多长时间？

单选题正确率: 98%

A. 至少一秒 B. 至少三秒 C. 至少100米 D. 转弯前打信号灯是可选的

恭喜，答对了！ {{vm.result.explain}}

答案不正确！ {{vm.result.explain}}

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