A group of business entrepreneurs who worried about their teenage children drinking and driving decided there must be some way to approach this problem proactively. They came up with an idea for a pair of blurry goggles. They believed looking through the goggles would simulate what the world looks like when someone is seriously intoxicated. The first crude pair of blurry goggles developed by the entrepreneurs to show to prospective customers was a(n):

A) prototypeB) component partC) synergistic modelD) ideationE) patent