(27)窗体上有两个文本框Text1、Text2以及一个命令按钮Commandl,编写下列程序: Dim y As Integer Private Sub Command1_Click() Dim x As Integer x=2 Text1Text=p2(p1(x),y) Text2Text=p1(x) End Sub Private Function pl(x As Integer) As Integer x=x+y:y=x+y pl=x+y End Function Private Function p2(x As Integer,By Val y As Integer) p2=2*x+y End Function 当单击1次和单击2次命令按钮后,文本框Text1和Text2内的值分别为 A.2 4 2 4 B.2 44 8C.4 4 8 8 D.10 1058 58