下列程序的输出结果是( )。 void f(int *x, int *y) int t; t=*x,*x=*y;*y=t; main( ) int a[8]= 1,2,3,4,5,6,7,8,i,*p,*q; p=a;q=&a[7]; while(p＜q) f(p,q); p++; q--; for (i=0;i＜8;i+) printf( %d, ,a[i]);
A．8,2,3,4,5,6,7,1
B．5,6,7,8,1,2,3,4
C．1,2,3,4,5,6,7,8
D．8,7,6,5,4,3,2,1