你什么时候必须示意你向右转弯？

4. 你什么时候必须示意你向右转弯？

单选题正确率: 90%

A. 只有在其他车辆靠近或跟随你时 B. 在任何时候都必须这样做，并且在你转弯前至少提前两秒钟 C. 在任何时候都必须这样做，并且在你转弯前至少提前三秒钟

恭喜，答对了！ {{vm.result.explain}}

答案不正确！ {{vm.result.explain}}

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