下面代码的执行结果是 x = "Happy Birthday to you!" x * 3 选项: A:系统报错 B:Happy Birthday to you! C:'Happy Birthday to you!Happy Birthday to you!Happy Birthday to you!' D:Happy Birthday to you! Happy Birthday to you! Happy Birthday to you! 下面 结果是 报错 发布时间:2024-03-28 20:32:26