(45)Multiple choices 45/50
Answer (Choose 1 answer)
What is the breadth-first traversal of a tree below after deleting the node 5 by merging?
A. 4, 2, 8, 1, 3, 7, 9
B. 2, 1, 4, 3, 8, 7, 9
C. 2, 1, 4, 3, 7, 8, 9
Next
D. 2, 1, 4, 3, 8, 9, 7
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