The correct answer to the question "What is a consumer?" is:
A. Someone who buys goods or services
Explanation:
1. A consumer is an individual or entity that purchases goods or services for personal use or consumption.
2. Consumers play a crucial role in the economy by driving demand for products and services.
3. Examples of consumers include people buying groceries, clothing, electronics, or using services like transportation or healthcare.
4. Consumers make choices based on their preferences, needs, and budget when selecting what to buy.
5. It is important for businesses to understand consumer behavior to tailor their products and marketing strategies effectively.
In summary, a consumer is someone who engages in the act of purchasing goods or services for their personal use or consumption.