Why Is the Bureaucracy Also Known as the "Administrative State

Why is the bureaucracy also known as the "administrative state"?

A) It is the part of government that most Americans know something about.
B) It is primarily staffed by permanent employees known as civil servants.
C) The president is the chief administrator over the bureaucracy.
D) Its primary responsibility is putting government policies into practice on a daily basis.
E) Its primary responsibility is creating government policies.