According to the Prototype Approach to Semantic Memory

According to the prototype approach to semantic memory,

A) every item that meets the specified requirements of a category belongs to that category.
B) a prototype is an example of the category that is neither the best example, nor the worst example.
C) we judge whether an item is similar to the prototype in order to decide whether it belongs to a category.
D) nonprototypes are items that do not belong to any category.