Before starting Pedigree Pajamas, the owner of the company realized that he was treating his dog as if it were a child and that a lot of his friends did the same thing. So in what he perceived as a dog-friendly environment, he launched a line of doggie pajamas—available from size 6 for Chihuahuas to size 30 for Great Danes. The ads for Pedigree Pajamas had to convince people that dogs slept better in pajamas. A product that has to create primary demand is more than likely in the _____ stage of the product life cycle.
 A. pioneering
 B. introductory
 C. maturity
 D. growth
 E. revitalization