Which of the Following Provides the Best Example of a Case

Which of the following provides the best example of a case in which administrative law is most appropriate for application or influence?

A) a legal situation or challenge that arises due to the vagueness in the meaning and interpretation of power structures defined at the highest levels of government and the state.
B) a legal situation or challenge that arises wherein it is necessary to define new rules about what is and isn't allowed, along with penalties for breaking those rules
C) a legal situation or challenge that arises due to the vagueness of an existing law or series of laws, such that specification and additional regulations must be appended or amended
D) a legal situation or challenge that arises due to the vagueness or poor application of an existing law, in which resolution requires research and invocation of past precedent, applications, or interpretation