单选题：When inserting {8，7，1，2，6，3} into an initially empty AVL tree, w

When inserting {8，7，1，2，6，3} into an initially empty AVL tree, which proper sequence of rotations will be made to the tree? @[A](2)

A. LL, RR, LR
B. LL, RR, RL
C. LL, RL, RR
D. RR, LL, LR



A.LL, RR, LR
B.LL, RR, RL
C.LL, RL, RR
D.RR, LL, LR


答案：A