Answer:
A. The U.S. Government Accountability Office
Step-by-step explanation:
The main source for the promulgation of the Government Auditing Standards is the Government Accountability Office (GAO). The GAO has a Federal Accounting Standards Advisory Board (FASAB) which is mainly responsible for formulating the standards and then promoting them for federal government agencies. The Government Accounting Standards Board (GASB) is responsible for doing the same at state level with the collaboration of state government.