You Are a Buyer for GameStop, a Video Games Retailer

You are a buyer for GameStop, a video games retailer. Which of the following is the best indication that users play an important role in your buying decisions?

A) Your company holds gaming conferences, which gives you a chance to interact with customers.
B) You've established a system that allows store managers to submit customer requests for specific games.
C) Your company is using social media to handle customer service issues.
D) You have an assistant, an avid gamer, who collects and reviews new product information for you.