单选题 定义结构体(联合)数组：
struct stu
{int num;
char name[20];
}x[5]={1,"ZHAO",2,"QIAN",3,"SUN",4,"LEE",5,"ZHOU"};
for(i=1;i＜5;i++)
printf("%d%c",x[i].hum,x[j].name[2]);
其输出结果为______。