The Key Characteristic of Bureaucracy According to Max Weber Is

The key characteristic of bureaucracy according to Max Weber is:

A) Employees are personally free, subject only to authority relating to their official obligations.
B) There is a clear hierarchy of offices.
C) Work tasks are clearly defined.
D) Workers are awarded fixed salaries for their performance and candidates for office are evaluated on the basis of their technical qualifications.
E) All of the above