问题
单项选择题
For the root of B_tree of order m,the minimal number of its children is
A．2
B． m/2
C． ém/2ù
D． m
答案
参考答案：A
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For the root of B_tree of order m,the minimal number of its children is
A．2
B． m/2
C． ém/2ù
D． m
参考答案：A