What are the preliminary actions a driver must perform while getting back up to the road from the “hard shoulder”?

1. A Observing all traffic on the road, signaling appropriately and gradually moving back on the road.
2. B Signaling appropriately and getting back to the road as quickly as possible.
3. C Getting back to the road diagonally, as quickly as possible..
4. D Putting the vehicle in a diagonal position and turning on the vehicle’s distress lights.