窗体上有Text1、Text2两个文本框及一个命令按钮Command1，编写下列程序
Dim y As Integer
Private Sub Command1_Click()
Dim x As Integer
X=2
Text1.Text=Fun2(Fun1(x)，y)
Text2.Text=Fun1(x)
End Sub
Private Function Fun1(x As Integer)As Integer
x=x+y:y=x+y
Fun1=x+y
End Function
Private Function Fun2(x As Integer，y As Integer)As Integer
Fun2=2*x+y
End Function
当单击1次和单击2次命令按钮后，文本框Textl和Text2内的值分别是

A．2 4
2 4

B．2 4
4 8

C．10 10
58 58

D．4 4
8 8