题目内容:
若L是一个无表头结点的单链表,P结点既不是首结点,也不是尾结点。删除P结点的后继结点的语句是(57)。A.P→ next = P→next→next; Q=P→next; free(Q);
B.Q = P → next; P → next = P → next→next; free(Q);
C.P → next → next = P → next; Q = P → next; free(Q);
D.Q = P → next; P → next → next = P→next; free(Q);
参考答案: