Which of the Following Best Exemplifies How a Sentence Should

Which of the following best exemplifies how a sentence should be structured when delivering negative news?

A) The AC was damaged due to fluctuation in power supply, so we cannot help you with any repair costs.
B) You apparently did not read the instructions, so it is not our fault that your product was damaged.
C) It is your responsibility to read the terms and conditions before purchasing a product.
D) The product you bought did not have a warranty, so we cannot repair it without payment.
E) We cannot make a refund, but you may choose another product from our website.