在一个双链表中, 删除*p节点的操作是 _______
A.p -> prior –>next= p-> next;p ->next-> prior = p -> prior;
B.p ->prior= p -> prior -> prior;p -> prior ->prior = p;
C.p-> next -> prior = p;p-> next=p-> next-> next;
D.p -> next= p->prior -> prior;p-> prior = p->prior->prior;