单选题：Insert 8, 7, 9, 2, 3, 5, 4, 6 into an initially empty AVL tree.

Insert 8, 7, 9, 2, 3, 5, 4, 6 into an initially empty AVL tree. Which one of the following statements is FALSE? @[D](3)

A. 7 is the root
B. 4 and 6 are siblings
C. 3 and 8 are siblings
D. 5 is the parent of 8



A.7 is the root
B.4 and 6 are siblings
C.3 and 8 are siblings
D.5 is the parent of 8


答案：D