元组变量t= ("cat","dog ","tiger","human"),t[::-1]的结果是:( )选项: A:('human', "tiger', 'dog','cat') B:[human', 'tiger', 'dog','cat'] C:{'human', 'tiger', 'dog', 'cat'} D:运行出错 结果是 变量 出错 发布时间:2024-06-13 14:19:26