单项选择题

单击按钮时，以下程序运行后的输出结果是( )。
Private Sub procl(X As Integer, y As Integer, z As Integer)
X=3*z
y=2*Z
z=x+y
End Sub
Private Sub Command1_Click()
Dim x As Integer, y As Integer, z As Integer
x=1:y=2:z=3
Call procl(x, x, z)
Print x; x; z
Call procl(x, y, y)
Print x; y; y
End Sub