Answer:
A. Direct mail and telemarketing
Step-by-step explanation:
Direct mail can be defined as a form of marketing in which the sender tends to send a direct advertisement to the recipient. It is also known as junk mail as it arrives uninvitedly, so the recipient's call it junk mail. In this form of direct marketing, the sender sends out physical promotional materials such as flyers, letters, brochures, etc through postal services.
Telemarketing, on the other hand, is another form of direct marketing in which telemarketers phone, tax, of mail their potential customers. In this form of direct marketing, telemarketers either use direct way of calling the customers or even the robocalls.
In the given case, the manager of Omaha Steaks has used direct mail and telemarketing form of non-store retailing. Direct mail is used by sending flyers to the customers and telemarketing by telephoning the customers.
So, the correct answer is option A.