Which of the following critical infrastructure partners offer an additional mechanism to engage with a pre-existing group of private sector leaders to obtain feedback on critical infrastructure policy and programs, and to make suggestions to increase the efficiency and effectiveness of specific government programs.
A. Advisory Councils
B. State and Regionally Based Boards, Commissions, Authorities, Councils, and Other Entities
C. Academia and Research Centers
D. Federal and State Regulatory Agencies

A. Advisory Councils

Explanation:

The Advisory Councils are the critical infrastructure partners that offer an additional mechanism to engage with a pre-existing group of private sector leaders to obtain feedback on critical infrastructure policy and programs, and to make suggestions to increase the efficiency and effectiveness of specific government programs.

Also, the Advisory Councils assist the government in providing suitable recommendations in matters related to critical infrastructure security policy and activities. Also, they contribute to the enhancement and strengthening of the public-private partnerships.

the correct answer is d