I do not know if this has been posted before, but if so it is good enough to be posted twice!
As a hunter your group usually assigns pulling to you. So when you go to pull a group tell your party to move to a previous room you have cleared. Shoot Mob A slow down the others than you can when Mob A reaches you Feign Death and as all mobs head back to original positions hop up. When you do so Mob A will start attacking you and the rest will go back to original positions. Leaving you only to have to fight one mob at a time therefore you need no crowd control. Your group will love you for this "trick".