在双向循环链表中,在p所指的结点之后插入s指针所指的结点,其操作是()
A. p->next=s; s->prior=p;p->next->prior=s; s->next=p->next;
B. s->prior=p; s->next=p->next;p->next=s; p->next->prior=s;
C. p->next=s; p->next->prior=s;s->prior=p; s->next=p->next;
D. s->prior=p; s->next=p->next; p->next->prior=s; p->next=s;