What is the meaning of the sign?

1. AAt the junction ahead of you, only a U-turn to the left is permitted.
2. BGive right of way to traffic crossing your road in the roundabout, and pass the roundabout on its right side.
3. CPass the place marked by the sign on its left side only.
4. DYou have right of way in the roundabout ahead of you. Pass the roundabout on its right.

Pick an answer to test yourself