单选题 编写如下事件过程:
Option Explicit
Private Sub Form_Click( )
  Dim Str As String, I As Integer
  Open "examp" For Output As 1
  For I = 1 To 5
    Str = Chr(I + 64)
    Print #1, Str;
  Next I
  Close 1
  Open "examp" For Input As 2
  Str = Input(10, #2)
  Print Str;
  Close 2
End Sub
程序运行后,单击窗体,则窗体上显示的内容是________。

【正确答案】 A
【答案解析】