Data Structure: Preorder and in order of a tree is give Preorder ----- A B D H E C F I G J KInorder -------- D H B E A I F C J G KWhat will be the postorder?

• A. H D E B I F J K G C A
• B. H D E B F I J K G C A
• C. H D E B I F J K CG A
• D. None of the above.