A Group Buy Is a Social Commerce Application That

A group buy is a social commerce application that:

A) enables the shopper to show products by most viewed, most favorite, or most commented.
B) publishes customer testimonials.
C) is dedicated to a group of people who meet online to communicate about products and help each other solve related problems.
D) is a collection of special offers, sometimes maintained and updated by user submissions.
E) provides an opportunity for people to join together to qualify for volume discounts.