Answer:
The answer is: B) network marketing.
Step-by-step explanation:
Network marketing is used by many well known brands like Tupperware, Avon, Amway, etc.
Network marketing business models require a distributor network in order to build its business. Network marketing usually works like multilevel marketing where payouts occur at more than one level.
Many times network marketing companies are seen as illegal schemes, but that is not necessarily true for all of them.
Some network marketing companies have yearly revenues of billions of dollars, like Amway (8.6 billion), Avon ($5.7 billion) and Tupperware ($2.26 billion).