听力原文：Ladies and gentlemen, may I have your attention, please? This is the final call for passengers on Flight A213 from Seattle to Sydney. The flight is now boarding at Gate 14 and is due to depart in fifteen minutes. Any passengers who have not yet boarded, please proceed as quickly as possible to Gate 14 for immediate boarding. What is the purpose of this short broadcast? A.To inform. a change of boarding gate B.To announce a delay of arrival C.To call for passengers to board a plane D.To give weather information before landing
A.What B.To C.To D.To E.To
【参考答案】
C 解析：广播是机场登机的最后召集通告，告知了航班号、出发地与目的地、距离起飞的时间和登机口，因此正确项是(C)。