单项选择题

If your purchase is not as described or is of low quality, you can return the item to the seller and get a full refund. Conditions for Submitting Refund Requests 1. All products claimed to be not as described must match the items sold by the seller. 2. Refund requests should be submitted during the protection period. 3. Buyers should provide enough evidence to prove that the products received are not as good as described. 4. If you submit a refund request before the order is completed and then mark that order as complete—you cannot submit another refund request for another 15 days, even it has a Longer Protection guarantee. If, however, the reason for your refund request is "I didn’t receive anything" and the result is "payment released to the seller", you still can submit refund request within the 15 days if the product is not as described. Return Shipping Fee 1. If the seller accepts return, and the buyer also wants to return their purchase, simply follow the seller’s sets of Returns on who will pay the return shipping fee. If the seller will pay the fee, communicate with the seller in advance about the payment method and the logistics service. 2. If a seller sets no return necessary or a buyer wants to keep the product, simply agree on the refund amount directly and ignore the return shipping fee. The passage is mainly about ______.

A.the quality control management
B.the importance of customers services
C.the return policy of a purchase
D.the different payment methods