Note that the term that refers to a giant specialty store with a very deep assortment of a particular product line is: "category killer" (Option A)
<h3>What is a Category Killer?</h3>
A category killer is a retailer, usually a big-box shop, that specializes in and stocks a wide range of products in a certain category. Their extensive inventory options, deep supply, vast purchasing power, and competitive edge over other shops can 'kill' a category.
They may utilize their buying power to negotiate cheaper pricing, better terms, and guaranteed timely supply since they are category specialists. As a result, they might offer such cheap pricing that they effectively destroy a category of products for other sellers. As a result, they are often referred to as category killers.
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