A-A+ ____ the bus started at once.A The signal was givenB The signal givingC The signal give 2022-07-22 09:08:50 学历考试 阅读 问题详情 ____,the bus started at once.A、The signal was givenB、The signal givingC、The signal givenD、When the signal given 参考答案 查看解答