Who Among the Following Can Be Considered an Example of a Leader

Who among the following can be considered an example of a leader who implements power sharing?

A) A production manager who feels his team members should concentrate on just one task at a time
B) The trainer of an organization who closely scrutinizes all the activities of the employees undergoing training
C) The chief editor of a magazine who feels all the reporters and junior editors should be equipped enough to challenge her
D) A doctor who feels the medical assistants in her team should react immediately to all her orders