运行下列程序:Private Sub form_Click( )Dim xx = 0Do While x < 10x = x ＋ 3LoopMsgBox x

运行下列程序：

Private Sub form_Click( )

Dim x

x = 0

Do While x < 10

x = x + 3

Loop

MsgBox x

End Sub

单击窗体后，则在窗体上显示的结果是( )。

A.0

B.3

C.10

D.12