阅读以下程序，则[img=38x19]17e444e4ebeeb13.jpg[/img]x=[4,-9,25];if x>;=0y=sqrt(x)elsedisp('some of the elements of x are negative.')end 未知类型：{'options': ['17e444e4f6592ca.jpg17e444e50045036.jpg [img=47x16]17e444e50a4f02a.jpg[/img]', ' [img=46x16]17e444e4f6592ca.jpg[/img][img=47x16]17e444e513f91b8.jpg[/img][img=47x16]17e444e50a4f02a.jpg[/img]', ' some of the elements of x are negative'], 'type': 102}