Final answer:
The correct answer is B. After returning to the station, showering, and calming down.
Step-by-step explanation:
The correct answer is B. After returning to the station, showering, and calming down. A Critical Incident Stress Debriefing should be held after the immediate physical and emotional needs of the individuals involved in a traumatic event have been taken care of. This allows them to be in a more stable state before participating in the debriefing, which can be an intense and emotionally charged process.