Answer:
D). Geographic segmentation.
Step-by-step explanation:
Geographic segmentation is defined as the marketing strategy that primarily aims to target the distinct choice preferences of the customers across a specific region or area. DeConinck Co. is employing this strategy to understand the consumer needs and cater to the different types of demands of their customers residing across the region by producing and marketing products accordingly(spicier nachos for the Customers of Western and Southwestern Americans and less spicy nachos for the Eastern region). Thus, option D is the correct answer.