You are creating an ASP.NET Web site. The site has a master page named Custom.master. The code-behind file for Custom.master contains the following code segment.Partial Public Class Custom  Inherits System.Web.UI.MasterPagePublic Property Region As String    Protected Sub Page_Load（ByVal sender As Object，ByVal e As System.EventArgs） Handles Me.LoadEnd SubEnd Class You create a new ASP.NET page and specify Custom.master as its master page.You add a Label control named lblRegion to the new page.  You need to display the value of the master pages Region property in lblRegion.What should you do？ （）

• A、Add the following code segment to the Page_Load method of the page code-behind file. Dim custom As Custom = Me.Parent  lblRegion.Text = custom.Region
• B、Add the following code segment to the Page_Load method of the page code-behind file. Dim custom As Custom = Me.Master  lblRegion.Text = custom.Region
• C、Add the following code segment to the Page_Load method of the Custom.Master.vb code-behind file. Dim lblRegion As Label = Page.FindControl（"lblRegion"） lblRegion.Text = Me.Region
• D、Add the following code segment to the Page_Load method of the Custom.Master.vb code-behind file. Dim lblRegion As Label = Master.FindControl（"lblRegion"） lblRegion.Text = Me.Region