这个交通信号是什么意思？

127. 这个交通信号是什么意思？

单选题正确率: 99%

A. 在安全的情况下停车 B. 加速通过交叉口

恭喜，答对了！ {{vm.result.explain}}

答案不正确！ {{vm.result.explain}}

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