单选题
下面程序运行时，若输入“Visual Basic Programming”，则在窗体上输出的是______。
Private Sub Commandl_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＜count (k)
Then
m=count (k)
End If
Next
k
Print m
End Sub