运行下列程序:Private Sub Form_Click( )Dim y As Integer, x As IntegerDo Until x > 20x

运行下列程序：

Private Sub Form_Click( )

D．im y As Integer, x As Integer

D．o Until x > 20

x = x + 10

y = y + x

If x > 20 Then Exit Do

Loop

Print x, y

E．nd Sub

单击窗体后，则在窗体上显示的结果是( )。

A．10 20

B．30 60

C．10 30

D．20 60

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