有以下程序#include void fun( int *a,int *b){int *c;c=a;a=b;b=c;}main(){int x=3,y=5,*P=&x,*q=&y;fun(p,q);printf(“%d,%d,”,*p,*q);fun(&x,&y);printf(“%d,%d\n”,*p,*q);}程序运行后的输出结果是
A. 3,5,5,3
B. 3,5,3,5
C. 5,3,3,5
D. 5,3,5,3
有以下程序#include main(){ char a[20]=”How are you?”,b[20];scanf(“%s”,b);printf(“%s %s\n”,a,b);}程序运行时从键盘输入:How are you?<回车>则输出结果为 。