Which of the Following Statements Is True of Marketing

Which of the following statements is true of marketing?

A) The marketing process is responsible for ensuring that the product design meets all the required specifications.
B) Marketers see themselves as responsible for ensuring product quality.
C) Marketers see themselves as providing products (or services) to customers who have already expressed a need for and a desire to purchase those products.
D) The marketing process is responsible for ensuring that products gets manufactured within the stipulated period of time.