Step 1: Understanding management principles. 
  
According to Henry Fayol, the principles of management are universally applicable to all types of management. These principles are dynamic (able to adapt), flexible, and applicable in every situation. They include concepts like unity of command, authority, and division of work. 
Step 2: Analyzing the options. 
  
(A) Dynamic: Correct. Management principles are dynamic as they need to adapt to different situations. 
  
(B) Flexible: Correct. Management principles are flexible and can be adjusted as per the needs of the organization. 
  
(C) Universal: Correct. Fayol believed that the principles of management are universally applicable to any type of organization. 
  
(D) All of these: Correct. All of the above characteristics are true for the principles of management. 
Step 3: Conclusion. 
  
The correct answer is (D) All of these, as management principles are dynamic, flexible, and universal.