题目内容

二叉树的先序和中序遍历序列分别是ABCDEFGH,CBEDFAGH,则后序遍历序列是( )。【南京理工大学2005一、5(1分)】

A. HGFEDACB
B. GHEDFCBA
CEFDBHGA
D. HGAFDEBC

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