Answer:
B) The CIA director
Explanation:
The national security council is a group that was formed to assist and advice the president regarding the matters related to enforce foreign policies, coordinating different branches of American military, and how to defend our nation from both internal and external Threats.
In this council, the Director of CIA held a cabinet-level position. His/her main duty is to coordinate/managing all existing activities that related to intelligence community (things such as making sure that United States have relevant information regarding potential conflict with other country, making sure that the group that is regarded as the enemy cannot obtain sensitive information, etc.)