The Concept of "Exchange" Is Fundamental to the Definition of Marketing.What

The concept of "exchange" is fundamental to the definition of marketing.What is the best description of exchange?

A) Activities that are performed primarily by producers and manufacturers
B) Development of products,distribution channels,promotional strategies,and pricing objectives to satisfy customer requirements
C) Transfer of products in return for monetary considerations
D) Provision or transfer of goods,services,or ideas in return for something of value
E) Transfer of products that takes place only between for-profit organizations