Answer:
D. Mandates that the private-sector entities responsible for critical infrastructure and key resources develop and exercise contingency plans.
Step-by-step explanation:
National response framework's effective partnership relies on engaging all elements of the whole community.
The National response framework can always be in effect, and its elements can be implemented as needed on a flexible, scalable basis to improve response.
The function is to improve response on a wide range of National issues.
In National response framework the private sector is mandated to make plans that will be responsible for critical infrastructure and key resources develop and exercise contingency plans.