Answer :
Final answer:
A trigger is an early warning signal that indicates when a risk event might happen, allowing for proactive response to potential threats in project management.
Explanation:
The correct answer to the question posed is a. trigger. A trigger in the context of risk management is an indicator or signal that a risk event may soon occur, prompting project managers and stakeholders to execute mitigation plans or contingency actions.
Think of a trigger as an early warning system that sets off alarms for potential risks that have been previously identified in a risk management plan. It effectively helps in the anticipation and readiness for risks, enabling a more proactive response to threats.