Which of the following is an example of direct selling?

A) E&OE sells its herbal skincare products exclusively through its stand-alone stores.
B) TCJ is a telemarketing firm that sells products from a number of different suppliers.
C) Jayne's sells most of its products to customers through home sales parties.
D) J3 is an online shopping portal where customers can buy directly from manufacturers.
E) Reynold's tries to minimize its staff costs by installing vending machines in its stores.

C