The Concept of Prototypes Suggests That

The concept of prototypes suggests that:

A) all members of a category are at the same level in a mental space.
B) people from different cultures use the same ways of categorizing objects.
C) every category has a sharp dividing line that separates members of the category from nonmembers.
D) people decide whether an item is a member of a category by comparing it to familiar or typical examples.