单项选择题

在窗体上画一个名称为Text1的文本框,并编写如下程序:
Private Sub Form_Load()
Show
Textl.Text=""
Textl.Set Focus
End Sub
Private Sub Form_MouseUp(Button As Inateger,Shift As Integer,X As Single,Y As Single)
Frint"程序设计"
End Sub
Private Sub Textl_KeyDown(KeyCode As InteSer,Shin As Integer)
Print"VisualBasic";
End Sub
程序运行后,如果按A键,然后单击窗体,则在窗体上显示的内容是______。

A.Visual Bask
B.程序设计
C.A程序设计
D.ViualBasic程序设计