The man makes a mark on the boat ____________ a knife.[ ]

A. with

B. use

C. and

以下程序运行后的输出结果是 _______ 。};main(){ struct NODEs[3]={{1,’’\0’’},{2,’’\0’’},{3,’’\0’’}},*p,*q,*r;intsum=0; s[0].next=s+1;s[1].next=s+2;s[2].next=s; p=s; q=p->next; r=q->next;sum+=q->next->num;sum+=r->next->next->num;printf("%d\n",sum);}