题目

有如下VB程序： Private Sub Command1_click ( ) Dim s As String, c As String, n As Integer s = “Google Chrome”; n = 0 For i = 1 To Len(s)     c= Mid(s, i, 1)     If c = “e” Then n = n+1     n = n-1 Next i Text1 Text = Str(Abs(n)) End Sub 运行该程序，单击命令按钮Command1后，文本框Text1中显示的内容是（  ） A . -11 B . 11 C . -9 D . 9 答案：B

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