单选题：Insert 28, 23, 54, 61, 98, 37 into an initially empty AVL tree f

Insert 28, 23, 54, 61, 98, 37 into an initially empty AVL tree first. Then immediately insert one of the following keys. Which one will cause an RL rotation? @[C](2)

A. 10
B. 50
C. 80
D. 100




A.10
B.50
C.80
D.100


答案：C