You are implementing an ASP.NET MVC 2 application. In the Areas folder， you add a subfolder named Product to create a single project areA.  You add files named ProductController.vb and Index.aspx to the appropriate subfolders.  You then add a file named Route.vb to the Product folder that contains the following code.01 Public Class Route  Inherits AreaRegistration02  03 Public Overrides ReadOnly Property AreaName As String04 Get  05 Return "product"06 End Get  07 End Property08  09 Public Overrides Sub RegisterArea（ByVal context As AreaRegistrationContext）10  11 context.MapRoute（"product_default"， "product/{controller}/{action}/{id}"， New With {.controller = "Product"， .action = "Index"，.id = ""}）12  13 End Sub  End Class  When you load the URL http：///product， you discover that the correct page is not returned. You need to ensure that the correct page is returned. What should you do？（）

• A、Replace line 11 with the following code segment. context.MapRoute（"product_default"，   "{area}/{controller}/{action}/{id}"， New With {.area = "product"， .controller = "Product"，   .action = "Index"， .id = ""}）
• B、Replace line 11 with the following code segment. context.MapRoute（"product_default"，   "{area}"， New With {.controller = "Product"， .action = "Index"， .id = ""}）
• C、Add the following code segment at line 12.  AreaRegistration.RegisterAllAreas（）
• D、Add the following code segment to the RegisterRoutes method in the Global.asax.vb file.   AreaRegistration.RegisterAllAreas（）