在什么情况下可以使用喇叭？选择所有适用的情况。

19. 在什么情况下可以使用喇叭？选择所有适用的情况。

单选题正确率: 82%

A. 警告其他司机你的存在 B. 警告你正在接近的马匹和骑马的人 C. 当有人突然变道挡在你前面时 D. 当你离开朋友家时

恭喜，答对了！ {{vm.result.explain}}

答案不正确！ {{vm.result.explain}}

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