Final answer:
In an active shooter situation, the immediate priority for law enforcement is to neutralize the threat posed by the shooter before attending to other critical tasks like evacuations and medical aid.
Step-by-step explanation:
The members' objective in an active shooter situation is primarily C) To neutralize the threat. This means that law enforcement's first and foremost goal is to stop the shooter from causing more harm. While negotiating a surrender, providing medical aid, and evacuating civilians are also critical tasks during such an incident, the immediate priority is to ensure the safety of everybody present by stopping the active shooter.