Customized services ________.
A) specialize in one or a few phases of the marketing research project
B) are research studies conducted for different client firms but in a different way
C) collect and sell common pools of data designed to serve information needs shared by a number of clients
D) offer a wide variety of marketing research services tailored to suit a client's specific needs
Answer: D) offer a wide variety of marketing research services tailored to suit a client's specific needs