(Choose 1 answer)
Given a binary search tree T below. What is a result of breadth-first traverse of T after you delete by copying the root (node 5)?
A. 2, 1, 4, 3, 7, 8, 9
B. 4, 2, 7, 1, 3, 8, 9
C. 4, 2, 7, 1, 8, 3, 9
D. 2, 1, 4, 7, 8, 3, 9
5
2
7
1
4
8
3
9
Q: 30
