在一个双链表中,在p节点之后插入节点q的操作是_()
A. q->prior = p;p-> next=q;p -> next -> prior =q; q ->next = p -> next
B. q ->next = p -> next;p -> next -> prior =q;p-> next=q;q->prior = p
C. p-> next=q;q->prior = p;q ->next = p -> next;p -> next -> prior =q
D. p -> next -> prior =q;q->prior = p;p-> next=q;q ->next = p -> next
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