Which of the Following Served as the Basis for the Creation

Which of the following served as the basis for the creation of a fourth branch of government by Congress?

A) Agency commissioners are appointed in staggered terms,typically of three years' duration.
B) Agencies must delegate a portion of their authority to Congress as they recognize that they are not the appropriate bodies to address the specific elements of certain problems.
C) The appointment of agency commissioners is done by the Senate with the advice of the president.
D) The appointment of agency commissioners for most of the independent agencies must reflect an approximate political balance between the two major parties.