What is the height of the node that contains 10 in the tree below?
8
4
2
5
13
14
1
9
10
A. 8, 13, 4, 2, 5, 14, 9, 1, 10, 15, 6, 3, 11, 7, 12
B. 1, 2, 4, 8, 13, 5, 9, 14, 3, 6, 10, 15, 7, 11, 12
C. 13, 8, 4, 14, 9, 5, 2, 15, 10, 6, 11, 12, 7, 3, 1
D. 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15
15
6
3
7
11
12