行政主体与行政机关内部的各种组成机构和受行政机关委托执行某些行政管理任务的组织的区别在于（）。

A.行政主体具有独立的法律人格

B.行政主体享有国家行 * *

C.行政主体的单一性

D.行政主体的广泛性

Which of the following statements regarding an option prior to expiration is TRUE The maximum value of:()

A. a European put is less than the maximum value of an American put. 

B. an American call is less than the maximum value of a European call. 

C. a European put is equal to the maximum value of an American put.