(B）有以下程序void fun( int a[], int n){ int i, t; for(i=0; i<n/2; i++) { t=a[i]; a[i]=a[n-1-i]; a[n-1-i]=t; }}main(){ int k[10]={ 11,12,13,14,15,16,17,18,19,20},i; fun(k,5); for(i=2; i<8; i++) printf(“%3d”,k[i]); printf(“”);}程序的运行结果是________。