问题
单项选择题
编写如下事件过程： Private Sub FOrm_ MouseDown (Button As Integer, Shift As Integer, X As Single, Y As Single)If Button = 2 Then Pint "AAAA" ThenEnd If End Sub Private Sub Form_ MouseUp (Button As Integer, _ Shift As Integer, X As Single, Y As Single)Print "BBBB" End Sub程序运行后，如果在窗体上单击鼠标右键，则输出结果为______ 。
A．AAAA BBBB
B．BBBB
C．AAAA
D．BBBB AAAA
答案
参考答案：A