单项选择题
以下代码功能为合并排序,请根据注释按照数顺序选择合适的语句填入对应的括号()
A.middle=(high-low)/2;MergeSort(A,low,middle);MergeSort(A,middle+1,high)
B.middle=(low+high)/2;MergeSort(A,low,middle);MergeSort(A,middle+1,high)
C.middle=(low+high)/2;MergeSort(A,middle+1,high);MergeSort(A,low,middle)
D.middle=(high-low)/2;MergeSort(A,middle+1,high);MergeSort(A,low,middle)
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