Maya has decided to apologize briefly in the buffer of her bad-news message to a client. Which of the following is the best apology?
(A) We apologize for any inconvenience this may have caused.
(B) We sincerely apologize for the problems you experienced with your espresso machine. To prevent recurrence of this problem, we will recalibrate the heating element at no charge to you.
(C) It is unfortunate that you are unhappy with your espresso machine.
(D) We know that you rely on your espresso machine to function properly.