单项选择题
A.Add the ValidateAntiForgeryToken attribute to the Details action method.
B.Add the Bind attribute to the country parameter of the Details action method. Set the attribute’s Prefix property to Country.
C.Create a class that implements the IRouteConstraint interface. Configure the default route to use this class.
D.Create a class that implements the IRouteHandler interface. Configure the default route to use this class.