(Choose 1 answer)
18, 10, 6, 3, 15, 23, 20
What is the result of the breadth first traverse of the binary search tree T, after inserting the following keys into the tree sequentially (suppose T is empty before insertion):
A. 18, 10, 23, 6, 15, 20, 3
B. 18, 10, 23, 6, 15, 3, 20
C. 18, 10, 23, 6, 3, 15, 20
D. 18, 10, 23, 6, 20, 3, 15
E34
