Which of the Following Statements Is Correct

Multiple Choice

Which of the following statements is correct?

A) Marketing is a linear process that begins with an idea, proceeds to a plan and ends with the successful implementation of the plan.
B) The marketing cycle is an ongoing and interrelated process of understanding the market, and creating, communicating and delivering value.
C) Ongoing evaluation of marketing performance helps to build further understanding and enable refinement of the marketing program.
D) Both a and b.
E) Both b and c.