Final answer:
The characteristic of a consumer market that is not exhibited is that purchasing decisions are always made by only one individual.
Step-by-step explanation:
The correct answer is d) their purchasing decisions are always made by only one individual. In a consumer market, the purchasers intend to consume or benefit from the products they purchase, and they do not buy products for the main purpose of making a profit. Consumer markets, also known as B2C (business-to-consumer) markets, consist of multiple individuals, and each of us belongs to numerous markets of this type. However, purchasing decisions in consumer markets are not always made by only one individual; they can be made by a group or a household.