Haruka's Business Flight Back to the City Where She Works

Haruka's business flight back to the city where she works was delayed by two days, and she was very upset about having to pay for two additional nights at her hotel. While writing a complaint to the airline, which of the following should Haruka follow?

A) She should ask for reimbursement of her accommodation expenses for those two days.
B) She should write in length explaining her predicament.
C) She should threaten to never fly with the airlines again.
D) She should begin the letter with a buffer.
E) She should ask the airlines to pay her for her entire trip's accommodation.