Which of the Following Statements Is TRUE of Marketing

Which of the following statements is TRUE of marketing?

A) Unlike most other key areas of business, marketing as a field is not visible by nature.
B) Marketing departments "own" an organization's marketing initiative.
C) Most aspects of marketing take place behind the curtain of an organization, out of the public's sight.
D) Marketing is all about advertising and selling.
E) Marketing is no more inherently unethical than other business areas.