How do federal courts oversee the bureaucracy?

A. Working with members of Congress to hold hearings about waste, fraud, and abuse in the executive branch.
B. Creating an arena in which individuals or groups who are negatively affected by regulations can bring lawsuits.
C. Appointing judicial inspectors to see whether or not an agency acted in violation of federal laws or the U.S. Constitution.
D. Working with the president to ensure that each agency's annual budget is large enough for it to carry out its policy tasks.