单选题

双向循环链表中结构为(data,prior,next)。假如在指针p所指节...

Question

双向循环链表中结构为(data,prior,next)。假如在指针p所指节点之后插入指针s所指节点，其操作是

A. p->next=ss->prior=pp->next->prior=ss->next=p->next

B. s->prior=ps->next=p->nextp->next=sp->next->prior=s

C. p->next=sp->next->prior=ss->prior=ps->next=p->next

D. s->prior=ps->next=p->nextp->next->prior=sp->next=s