Some Years Ago,chemists at 3M Corporation Were Trying to Create

Some years ago,chemists at 3M Corporation were trying to create a super-strong glue.Somehow they got their molecules twisted and came up with one of the weakest glues ever made.But,rather than pouring it down the drain,they tried coating some paper with it,and the "Post-It Note" was born.In this case,3M was acting as a(n)

A) utility.
B) rationer.
C) entrepreneur.
D) abstraction.