Multilevel Perspective Could Best Be Described in Which Example

Multilevel perspective could best be described in which example?

A) As a group, subordinates are able to change the opinions of those in higher management.
B) Managers and CEOs exert direct influence to each employee, individually.
C) Individual employee behavior can be influenced directly by which group the employee is a part of.
D) Researchers now consider subordinates, managers, and executives in their studies.