Read the following email and mark the letter A, B, C or D on your answer sheet to indicate the option that best fits each of the numbered blanks from 1 to 6.

Subject: Delayed Delivery
Dear Customer Support Team,
I am writing this email to (1) _______ a complaint regarding the delivery of my recent order (#12345) from your company, QuickShip Express. The delivery date initially (2) _______ was December 1st, but I have yet to receive my package, and there has also been no update (3) _______ its status.
I understand that delays can sometimes happen, but a(n) (4) _______ of communication is even more frustrating. Could you please provide me with information about the whereabouts of my order and let me know when I can expect it (5) _______?
I would appreciate your prompt attention to this matter. Thank you for your time and (6) _______.
Best regards,
John Doe
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Phone: 555-1234
Email: [email protected]