單項(xiàng)選擇題

在一個(gè)雙鏈表中,在*p節(jié)點(diǎn)之后插入節(jié)點(diǎn)*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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