Which of the Following Would Be Most Effective as the Body

Which of the following would be most effective as the body for a message from a customer service executive of Weaver Designs to the customer, granting the claim?

A) At Weaver Designs, we take pride in making all of our clothes from natural, earth-friendly fabrics and dyes that must not be washed in hot water or put in the dryer. Please ensure that, henceforth, you wash the dress gently in cold water, either in your machine or by hand, and lay flat to air-dry.
B) The problem that you brought to our notice is because you washed the naturally dyed dress in hot water, instead of cold, as the instructions clearly explain. We request you to pay close attention to the washing instructions when you wash this dress.
C) We at Weaver Designs urge you to carefully read and follow the washing instructions-clearly printed on all labels and packaging-to prolong the life of your clothes and to avoid further claims of this kind.
D) At Weaver Designs, we take pride in making all of our clothes from natural, earth-friendly fabrics and dyes. To retain their colour and shape, these fabrics need to be washed gently in cold water, either in your machine or by hand, and laid flat to air-dry.