这个标志是什么意思？

285. 这个标志是什么意思？

单选题正确率: 77%

A. 车辆正在从高速公路入口匝道汇入 B. 左侧车道关闭 C. 前方左侧有建筑物

恭喜，答对了！ {{vm.result.explain}}

答案不正确！ {{vm.result.explain}}

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