Criticism of Administrative Agencies Includes That They

Criticism of administrative agencies includes that they:

A) lack the knowledge or time necessary to provide continuous and flexible solutions to evolving regulatory problems.
B) lack the broad powers necessary to effectively deal with regulatory problems.
C) are in effect miniature independent governments which have too much power concentration since the same bodies establish rules and then act as prosecutors and judges in determining whether those rules have been violated.
D) All of these are valid criticisms.