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單項選擇題

對窗體編寫如下事件過程:
Private Sub Form_MouseDown(Button As Integer,Shift As Integer,X As Single Y As Single)
If Button=2
ThenPrint"AAAAA"End
IfEnd
SubPrivate Sub Form_MouseUp(Button As Integer,Shift As Integer,X As Single,Y As Single)
Print"BBBBB"
End Sub程序運行后,如果單擊鼠標右鍵,則輸出結(jié)果為()

A.AAAAA
B.BBBBB
C.AAAAA CR BBBBB(其中CR表示回車和換行)
D.BBBBB CR AAAAA

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