How should we act when witnessing a traffic accident and after having stopped correctly?

How should we act when witnessing a traffic accident and after having stopped correctly?
A)We will protect the victims, alert the emergency services and aid the injured.Correct
B)We will alert the emergency services and aid the victims.
C)We will regulate traffic, aid the victims and alert the emergency services.
In case of an accident, it is important to follow an order of action to ensure efficient and rapid help. This order is indicated by the PAS rule (Protect, Alert, Aid), a rule we will always apply.
1st. PROTECT: We will take all necessary measures to ensure both our own protection and that of the accident site (signaling the area) and the protection of the victims.
2nd. ALERT: We will alert the emergency services by calling 112.
3rd. AID: We will attend to the accident victims.