Which of the Following Best Explains the Concept of 'Logistics

Which of the following best explains the concept of 'logistics'? 

A)  The activities needed to optimize the goods flow from suppliers to the point of consumption. 
B)  Recycling packaging materials and surplus materials. 
C)  Includes the management of materials planning, the supply of raw materials and other purchased goods, internal transportation, storage and physical distribution. 
D)  The way in which materials processes are managed within a company.