单项选择题

下面的程序运行时，若输入“Visual Basic Programming”，则在窗体上输出的是
Private Sub Command1_Click()
Dim count(25) As Integer, ch As String
ch=Uease(InputBox("请输入字母字符串"))
For k=1 To Len(eh)
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＜count(k) Then
m=count(k)
End If
Next k
Print m
End Sub