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______。
Privae Sub Command1_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