What Is Meant by "Unity of Command" in Fayol's General

Multiple Choice

What is meant by "unity of command" in Fayol's General Principles of management?

A) Each group of activities having one objective should have one plan
B) Leaders of the organization should agree on a single mission
C) An employee should receive orders from one superior only
D) Union is strength, and it comes from the harmony of the personnel
E) Agreement is necessary for effective organizational performance