Which Statement Summarizes the Role of the Federal Bureaucracy

Which statement summarizes the role of the federal bureaucracy?

A) The federal bureaucracy is responsible for carrying out many different functions across several agencies.
B) The federal bureaucracy has the authority to conduct oversight into the actions of Congress, the president, and the Supreme Court.
C) The federal bureaucracy is expected to interact with citizens on a daily basis to solve problems and address issues.
D) The federal bureaucracy is responsible for tracking complaints and developing policies to address those complaints.