If a passenger wants to change their ticket and re - book on a flight that is part of a code-share agreement， you should：

If a passenger wants to change their ticket and re - book on a flight that is part of a code-share agreement， you should：
A.Code-share flights can't be changed.
B.Let me check the availability and the process for changing to the code-share flight with our partner airline.
C.You have to pay double the normal change fee.
D.I don't know how to handle code-share flights.
正确答案：B
试题解析：对于涉及代码共享协议的航班改签，工作人员应积极查看改签的可行性及具体流程。