Which of the Following Is the Role of the Government

Which of the following is the role of the Government Accountability Office (GAO) ?

A) to monitor what agencies do with their budgets
B) to make the budget for Congress [The GAO focuses its energy on checking to assure appropriated money is used-and used within the intended context.
C) to propose new bills to implement the president's agenda
D) to write tax codes based on yearly changes in law