以下事件过程可以将打开对话框的标题改为“新时代”的是

A．Private Sub Command2_Click()

CommonDialog1.DialogTitle="新时代"

CommonDialog1.ShowOpen

End Sub
B．Private SubCommand2_Click()

CommonDialog1.DialogTitle="新时代"

CommonDialog1.ShowFont

End Sub
C．Private Sub Command2_Click()

CommonDialog1.DialogTitle="新时代"

CommonDialog1.Show

End Sub
D．Private Sub Command2_Click()

CommonDialog1.DialogTitle="新时代"

CommonDialog1.ShowColor

End Sub