[单选题]

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 Shift=6 And Button=2 Then

Print "PC"

E.nd If

E.nd Sub

程序运行后,为了在窗体上输出"PC",应执行的操作为( )。

A.同时按下Shift键和鼠标左键

B.同时按下Ctrl,Alt键和鼠标右键

C.同时按下Shift键和鼠标右键

D.同时按下Ctrl,Alt键和鼠标左键

参考答案与解析:

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