单选题：Insert { 18, 15, 8, 16, 17, 2 } one by one into an initially emp

Insert { 18, 15, 8, 16, 17, 2 } one by one into an initially empty AVL tree. Which of the following statements is false?

@[C](3)

A. 8 is the parent of 2
B. 18 is in 15's right subtree
C. 8 and 15 are the siblings
D. 16 is the left child of 17



A.8 is the parent of 2
B.18 is in 15's right subtree
C.8 and 15 are the siblings
D.16 is the left child of 17


答案：C