You are creating an ASP.NET Web site.
The site is configured to use Membership and Role management providers.
You need to check whether the currently logged-on user is a member of a role named Administrators.
Which code segment should you use?

A.
bool isMember = Roles.GetUsersInRole(“Administrators”).Any();

B.
bool isMember = Membership.ValidateUser(User.Identity.Name, “Administrators”);

C.
bool isMember = Roles.GetRolesForUser(“Administrators”).Any();

D.
bool isMember = User.IsInRole(“Administrators”);