Which of the Following Best Describes What a 'Shop Together

Which of the following best describes what a 'Shop Together' tool does?

A) Enables one to post product information and ask friends for advice prior to purchase.
B) Enables one to see purchase pals' movement throughout the site,discussion,and sharing.
C) Enables one to share creations,shopping lists,and wishlists.
D) Enables shoppers to shop multiple stores (like a mall) using several social shopping tools.
E) Enables businesses to conduct transactions with customers from within social network sites.