How can we avoid danger when we start driving and when we merge with traffic?

1. A Danger can be prevented by turning on all the distress signals and warn other drivers while merging with traffic.
2. B Danger can be prevented by driving diagonally and at a higher speed while merging with traffic.
3. C By quickly entering the lane in which traffic is flowing.
4. D By giving an appropriate signal with the winker, looking in all directions and waiting until no one is obstructed.before driving.