单选题：For the result of accessing the keys 8,4,15 in order in the spla

For the result of accessing the keys 8,4,15 in order in the splay tree in the following figure, which one of the following statements is FALSE? @[D](3)

A. 15 is the root
B. 15 is the parent of 4
C. 2 and 8 are siblings
D. 4 is the parent of 7



A.15 is the root
B.15 is the parent of 4
C.2 and 8 are siblings
D.4 is the parent of 7


答案：D