What Is the First Thing That a Salesperson Should Do

What is the first thing that a salesperson should do during the sales presentation?

A) Inform the customer about the benefits of the retailer's merchandise in an appealing manner.
B) Help the customer to decide on the product that best fulfills the customer's needs.
C) Listen to the customer's needs so that the salesperson can first determine the right price range of products.
D) Select the right product or service that the salesperson believes will satisfy the customer's needs.
E) Tell the customers that they are in goods hands.