下面代码的执行结果是 x="Happy Birthday to you!" x*3 选项: A:Happy Birthday to you! B:系统报错 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:2024-04-14 01:23:35