When a passenger wants to change their reservation to a flight with more legroom， you might say：

When a passenger wants to change their reservation to a flight with more legroom， you might say：
A.There's no such thing.
B.We have flights with extra legroom seats available. However， there may be an additional charge. Would you like more details？
C.All seats are the same.
D.You can't get more legroom.
正确答案：B
试题解析：当乘客想要更改预订到有更多腿部空间的航班时，工作人员应告知乘客有提供额外腿部空间座位的航班，同时说明可能会有额外费用。