Which of the Following Represents an Example of Demographic Segmentation

Which of the following represents an example of demographic segmentation?

A) A firm producing recreational equipment divides its market into groups by region of the country,designing different products for people in different parts of the country.
B) A company that produces food products has designed a special line of easy to prepare microwavable meals that are low in low fat and high in fiber to attract people interested in the health benefits of the foods they eat.
C) A motion picture company divides its market according to the attitudes and interests of its customers,marketing some films to people who enjoy action movies and targeting other movies to people who prefer romantic comedies.
D) An automobile manufacturer offers different types of cars designed to appeal to different age groups and income levels.