TextbooksRus.com is an e$-$commerce business that creates revenue by selling technical manuals and books online. Their customers are people from technical fields who shop there because of the specialization of TextbooksRus. Which of the following best describes the way this business participates in e$-$commerce?

Select one:

A$.$ clicks$-$and$-$mortar

B$.$ bricks and clicks

C$.$ playpure

D$.$ pureplay