In his daily work, president clinton was known to rely not only on his cabinet members, but also on task forces, committees, informal groups of friends, relatives and advisers. this style of staff organization is called

Ad hoc

Explanation:

Adhocracy is a style of organization that is adaptable and flexible and doesn't have a formal structure which allows to use multidisciplinary teams that are organized by functions. This type of organization groups people together to solve a particular problem or develop a specific task.

According to this, the answer is that this style of staff organization is called ad hoc because President Clinton maintained a flexible structure that allowed him to adapt it to include people in certain situations according to the needs.

i believe it’s b because the rest don’t make sense