Answer:
The correct option would be B. A store that sells a huge variety of one type of product, such as books, in order to dominate the market for that product is called a category killer.
Explanation:
In the field of business, the term category killer is used to describe a retail chain store that tries to dominate other stores by increasing the quantity of a specific product in the store. These kinds of stores usually stock far more merchandise, when compared to smaller, mom and pop stores. The category killer retail store can also achieve its strategy by lowering the prices of a certain product to attract more number of customers and increase revenue.
One of the most popular examples of a category killer are stores like Wal-Mart in the US or Tesco in the UK
