Make the following statement true by filling in the blank from the choices below: critical infrastructure owners and operators play an important partnership role in the critical infrastructure security and resilience community because they
a. have unique responsibilities, functions, or expertise in a particular critical infrastructure sector (such as gcc members) assist in identifying and assessing high-consequence critical infrastructure and collaborate with relevant partners to share security and resilience-related information within the sector, as appropriate.
b. are crucial coordination hubs, bringing together prevention, protection, mitigation, response, and authorities, capabilities, and resources among local jurisdictions, across sectors, and between regional entities.
c. include a variety of public-private sector initiatives that cross jurisdictional and/or sector boundaries and focus on prevention, protection, mitigation, response, and recovery within a defined geographic area.
d. develop and implement security and resilience programs for the critical infrastructure under their control, while taking into consideration the public good as well.