71. Where is this announcement being made?
(A) At a train station.
(B) At an airport.
(C) At a bus terminal.
(D) At a ferry port.

Questions 71 through 73 refer to the following announcement. 

Attention passengers waiting for flight 892 to Seattle, we would like to inform you of a gate change. Due to a minor technical issue with the aircraft at our original gate, we have been moved to gate D14. Also, because of this switch, departure will be delayed by approximately 20 minutes. We apologize for the inconvenience. Passengers requiring assistance or those traveling with small children are invited to begin boarding first at the new gate in 10 minutes. Thank you for your patience.

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第 71 至 73 題請參考以下公告。

親愛的旅客：您好，我們謹此通知您，892 航班（飛往西雅圖）的登機口已變更。由於原登機口的飛機出現輕微技術故障，我們已改用 D14 登機口。因此，航班起飛時間將延誤約 20 分鐘。由此造成您的不便，我們深表歉意。需要協助的旅客或攜帶幼兒的旅客請於 10 分鐘後在新登機口優先登機。感謝您的耐心等待。