The customer asks about the ticket price. The agent should respond：

The customer asks about the ticket price. The agent should respond：
A.It's very expensive.
B.The price depends on the class and the travel date.
C.I don't know the price.
D.You can ask someone else.
正确答案：B
试题解析：机票价格确实取决于舱位等级和出行日期等因素，这样的回答准确且专业。