In Which of the Following Situations Would a Marketing Researcher

In which of the following situations would a marketing researcher be most likely to use executive interviews?

A) A manufacturer of extruded plastic wants to determine where there are other markets for its products.
B) A manufacturer of frozen dinners wants to research the eating habits of its target market.
C) The producers of children's programming on public television want to learn more about the viewing habits of an audience composed of 5- to 12-year-old males.
D) A shampoo manufacturer wants to test which smells consumers perceive as relaxing and exhilarating.