Answer:
A
Step-by-step explanation:
Market Intelligence System is a business analytics tool. What it does is that it analyses business data obtained from various sources- Customers, Competitors, supply chain, stores etc.
The data obtained is used to make necessary inferences all with an intent to retain, develop or acquire its customers.
A customer insight, or consumer insight on the other hand is an interpretation of trends in human behaviors which aims to increase the effectiveness of a product or service for the consumer, as well as increase sales for the financial benefit of those provisioning the product or service
Database is completely out of it as it is just a structured set of data held in a computer, especially one that is accessible in various ways.