Baggage check-in Service A. 行礼登机服务 B. 安检服务 C. 宠物托运 D. 值机服务

Baggage check-in Service A. 行礼登机服务 B. 安检服务 C. 宠物托运 D. 值机服务

The correct answer is:

D. 值机服务 (Check-in service)

This refers to the service where passengers check in for their flight, which includes handling luggage, issuing boarding passes, and sometimes other procedures like seat selection.

Here’s why the others don’t fit:

A. 行礼登机服务 (Luggage boarding service): This isn’t a standard term in aviation; it’s more of a descriptive phrase, which isn't quite the same as check-in.

B. 安检服务 (Security check service): This refers to security checks before boarding, not the check-in process itself.

C. 宠物托运 (Pet cargo service): This is related to transporting pets, but it’s not the check-in service.

Let me know if you need any further clarification!