Which of the Following Is TRUE

Which of the following is TRUE?

A) Specialized marketing research firms are the largest producers of marketing facts.
B) The most important advantage of a division or group-level marketing research department is its economy of scale.
C) The organization of the market research function should be dynamic and ever-changing.
D) An important change that has been occurring in marketing research in recent years is the transition from a total marketing intelligence perspective to a specific problem perspective.
E) They are all false.