You have a server that runs Windows Server 2008 R2. The server has the RD Gateway role service installed.
You need to provide a security group access to the RD Gateway server.
What should you do?

A.
Add the security group to the Remote Desktop Users group.

B.
Add the security group to the TS Web Access Computers group.

C.
Create and configure a Remote Desktop Resource Authorization Policy.

D.
Create and configure a Remote Desktop Connection Authorization Policy.