这个标志是什么意思？

255. 这个标志是什么意思？

单选题正确率: 89%

A. 单行道 B. 左右来车合并 C. 前方有危险 D. 道路分岔

恭喜，答对了！ {{vm.result.explain}}

答案不正确！ {{vm.result.explain}}

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