1.

In general, the node content in a threaded binary tree is ________

A. leftchild_pointer, left_tag, data, right_tag, rightchild_pointer
B. leftchild_pointer, left_tag
C. leftchild_pointer, left_tag, right_tag, rightchild_pointer
D. leftchild_pointer, left_tag, data
Answer» B. leftchild_pointer, left_tag


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