运行下列程序，输出结果是（ ）#include struct contry{ int num; char name[20];}x[5]={1,"China",2,"USA",3,"France",4,"Englan",5,"Spanish"};void main( ){ int i; for(i=2;i<5;i++) { printf("%d%c",x[i].num, x[i].name[0]); }}
选项：

A:3F4E5S;
B:4E5S;
C:F4E;
D:C2U3F4E