Which of the Following Is an Example of a Retailer

Which of the following is an example of a retailer using mobile marketing to enrich the customer's shopping experience at the same time that they stimulate buying?

A) Java Lava sends a special email to customers that displays fireworks when it's opened to celebrate the store's 1-year anniversary.
B) Sharie's boutique issues mobile coupons to existing customers.
C) Books Abound uses an app to introduce customers to newly released books that are tailored to their reading preferences.
D) The Music Store launches an app that plays 10 seconds of a new song every time users access it.
E) Lacey's department store uses a virtual tour app of Paris to promote a week-long celebration revolving around French-themed clothing, jewellery, and fragrances in their stores.