I think it's D. OJEHEHWHEJJEJJF
The opinions that are being collected and are being published in volumes of books is known as reporters, which is letter A. It is because this is what the court judges made use of in writing their opinions in regards of their decision in a particular appeal or trial.
Answer: Office of Management and budget assists the president in overseeing the federal budget planning and manages the operation of the departments in the Executive Branch. Some major Office of Management and budget functions are: Management and synchronisation of the recruitment, financial management, information and regulatory policies of the administration.
Explanation: I learned it on my social studies class.