If the customer wants to reserve a seat by the window， the agent can say：

If the customer wants to reserve a seat by the window， the agent can say：
A.All the window seats are taken.
B.Okay， I will try to reserve a window seat for you. But it's subject to availability.
C.You can't choose a seat now.
D.Window seats are more expensive.
正确答案：B
试题解析：代理人表示会尽力为客户预订靠窗座位，但同时说明需视情况而定，既体现了对客户需求的尊重，又如实告知客户座位预订的不确定性，符合服务规范。