When tagging the baggage， what information must be clearly marked？

When tagging the baggage， what information must be clearly marked？
A.The passenger's name and flight number.
B.The destination airport and the passenger's seat number.
C.The weight of the baggage and the airline's logo.
D.The type of baggage and the departure time.
正确答案：A
试题解析：行李标签上必须清晰标注乘客姓名和航班号，这样才能确保行李与乘客对应且能准确运至目的地，而座位号、航空公司 logo、行李类型、出发时间等不是必须在行李标签上明确标注的关键信息。