You're the Marketing Director of a Large Chain of Sporting

You're the marketing director of a large chain of sporting goods retail stores, and you're working with your company's web designer to upgrade the company's e-commerce site. She says there are a number of ways to personalize the ordering process for customers whenever they select a product for purchase. Which way makes the most sense to you?

A) Making recommendations of similarly priced products
B) Recommending products from the same brand
C) Showing what other customers in the same region have purchased
D) Recommending related products