Which of the Following Statements BEST Describes How the Nigerian

Which of the following statements BEST describes how the Nigerian executive has evolved over the years?

A) It has become more centralized and more personalized.
B) It has become more dependent upon the support of other state institutions.
C) It has increasingly become more dependent upon the support of the military.
D) It has become increasingly decentralized with different ministers becoming more important than others.
E) Initially the center of the political system, it has increasingly become marginalized with the rise of other political institutions.