Order-Getting Salespeople Would Be Required for Which One of the Following

Order-getting salespeople would be required for which one of the following jobs?

A) Helping a buyer plan and install a computer and software for use as a website server.
B) Helping drug retailers figure out better ways to display and promote their products.
C) Seeking orders from supermarket buyers for a new brand of high protein diet supplement that has been added to the company's line.
D) "Helping" an indecisive consumer in a supermarket select the kind of meat she should buy for dinner.
E) Handling a complaint from a furniture store about a shipment that is late.