这个标志是什么意思？

348. 这个标志是什么意思？

单选题正确率: 89%

A. 前方有铁路平交道 B. 前方有收费亭 C. 此处每条方向有三条车道 D. 前方有人行横道

恭喜，答对了！ {{vm.result.explain}}

答案不正确！ {{vm.result.explain}}

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