单项选择题

下面程序运行时,若输入“Visual Basic Programming”,则在窗体上输出的是()
  Private Sub Comand1_Click()
  Dim count(25) As Integer, ch As String
  ch=Ucase(InputBox("请输入字母字符串"))
  For k=1 To Len(ch)
  n=Asc(Mid(ch,k,1))-Asc("A")
  If n>=0 Then
  Count(n)=Count(n)+ 1
  End If
  Next k
  m=count(0)
  For k=1 To 25
  If m< p>
  m=count(k)
  End If
  Next k
  Print m
  End Sub

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

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