In Which of the Following Cases Is a Firm Employing

In which of the following cases is a firm employing multichannel marketing?

A) E-tailers such as Hammon.com market their products through a strong online presence.
B) Wingate Retail sells its products through e-tailers and hundreds of physical superstores.
C) Russel Stores' sales operations are based on heavy outbound telephone marketing.
D) Lues Wholesalers markets its products to retailers through personal selling.
E) Local convenience stores promote products through word-of-mouth marketing.