你看到一个交通信号灯，这个灯光表示什么？

57. 你看到一个交通信号灯，这个灯光表示什么？

单选题正确率: 63%

A. 卡车可以通行 B. 专用车道上的车辆可以通行 C. 前方有T型交叉路口 D. 电车可以通行

恭喜，答对了！ {{vm.result.explain}}

答案不正确！ {{vm.result.explain}}

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