Which of the Following Statements About Political Power,or "Who Governs

 Which of the following statements about political power,or "who governs?" is most accurate? 

A)  The key to understanding power is to understand the monetary costs of different political decisions. 
B)  Political power can usually be inferred by knowing what laws are on the books. 
C)  Political power can usually be inferred by knowing what administrative actions have been taken. 
D)  Power cannot be realized without institutional arrangements. 
E)  Most power derives from psychological and social factors such as friendship, loyalty, and prestige.