题目内容

关于二排序树的描述不正确的是______。

A. 二又排序树的查找效率取决于树的形态
B. 从二叉排序树中测去一个结点后再重新插人,一定是作为叶子结点插入的
C. 在最坏情况下,利用插入操作构造一棵二排序树花费的代价为O(nlog2（n））)
D. 在含有n个结点的平衡二又排序树中,找失败时最多花费代价为O(log2n)

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