单选题：Insert { 5, 1, 7, 8, 21, 2, 12, 19, 13, 0 } into an initially em

Insert { 5, 1, 7, 8, 21, 2, 12, 19, 13, 0 } into an initially empty 2-3 tree (with splitting). Which one of the following statements is FALSE? @[A](2)

A. 13 and 19 are in the same node
B. the parent of the node containing 8 has 3 children
C. the first key stored in the root is 12
D. there are 5 leaf nodes




A.13 and 19 are in the same node
B.the parent of the node containing 8 has 3 children
C.the first key stored in the root is 12
D.there are 5 leaf nodes


答案：A