Each of the Following Is One of the Four Dominant

Each of the following is one of the four dominant concepts of the rhetoric of economics except

A) the image of the circular flow of purchasing power through the economy.
B) the use of the word "market" to describe a physical place where exchange occurs.
C) the idea of "equilibrium": that economic processes tend to move the economy into some sort of balance, . and to keep the economy at this point of balance.
D) the use of graphs and diagrams as an alternative to equations and arithmetic in expressing economic relationships.