The Original Purpose of the General Accounting Office (GAO),now the Government

 The original purpose of the General Accounting Office (GAO) ,now the Government Accountability Office,was to perform 

A)  research in the Library of Congress. 
B)  audits of financial records. 
C)  evaluations of technological advancements. 
D)  employment application evaluations. 
E)  audits of high-ranking military officers.