Which of the Following Would Best Refuse a Customer Claim

Which of the following would best refuse a customer claim?

A) We're sorry that we can't give you a full refund for your DVD player.
B) Because you damaged the DVD player by trying to repair it yourself, we are unable to give you a full refund.
C) The damage to your DVD player is not covered by the warranty, as explained in the enclosed copy of the warranty that came with your DVD player.
D) Although a full refund cannot be issued, we would be happy to repair your DVD player for a nominal fee.