Which of the following statements about congressional oversight of the bureaucracy is most accurate? a. the number of oversight hearings has decreased over time as the bureaucracy has expanded b. while the number of oversight hearings has increased over time as the bureaucracy has expanded, the extent of oversight does depend somewhat on which party controls the white house. c. the number of oversight hearings has remained constant over time despite the fact that bureaucracy has expanded. d. while the number of oversight hearings has increased over time as the bureaucracy has expanded, the extent of oversight does not depend on which party controls the white house. e. oversight has been eliminated as a result of a 2012 supreme court decision