The Perfect Manager Elaine Truegood Has Proven Herself to Be an Able Manager.Her

The Perfect Manager
Elaine Truegood has proven herself to be an able manager.Her section has a high project completion rate with the highest quality product and the lowest defects in her division.In addition, she does it with fewer full-time people than other managers.Some say that the secret of her success is in her ability to delegate responsibility and her understanding of the basic 'management functions'.
-Refer to The Perfect Manager (Scenario) .Elaine's ability to get activities completed efficiently and effectively with and through other people is known as ________.

A) delegation
B) supervision
C) management
D) top-down communication
E) coercion