Multiple choice:After inserting 0 into the 2-3 tree given in the figure, how man

After inserting 0 into the 2-3 tree given in the figure, how many of the following statements are FALSE? @[ B](2)
(S1) The tree grows higher;
(S2) 2 and 4 are in the same interior node;
(S3) the root node still contains 9 only;
(S4) the interior node containing 12 keeps unchanged.
A. 0
B. 1
C. 2
D. 3




A.0
B.1
C.2
D.3


answer：B