59. Given a binary tree, the result of its 'in-order traversal' is 'BDCAFHEG', and the result ofits 'pre-order traversal' is 'ABCDEFHG'. What is the result of its 'post-order traversal'?
(A) DCBHFGEA
(B) DCBAEFGH
(C) GHFEADCB
(D) HFGEDCBA

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