OG 10版第6题请问什么意思啊？

sindycindy

Company Alpha buys free-travel coupons from people who are awarded the coupons by Bravo Airlines for flying frequently on Bravo airplanes。The couponsare sold to people who pay less for the coupons than they would pay by purchasing tickets from Bravo。This marketing of coupons results in lost revenue for Bravo。

To discourage the buying and selling of free-travel coupons,it would be best for Braco Airlines to restrict the

A number of coupons that a person can be awarded in a particular year

B use of the coupons to those who were awarded the coupons and members of their immediate families

C days that the coupons can be used to Monday through Friday

D amount of time that the coupons can be used after they are issued

E number of routes on which travelers can use the coupons

答案是B

有没有哪位高人能指点下啊?偶看不懂

caterpillarcn

是说航空公司发优惠卷给那些坐他们飞机很多的客人， 以示对他们的奖励，不过很多优惠卷被卖掉了， 这就导致了有一些人可以底价买到机票。 现在航空公司想想办法控制优惠卷的买卖，想问什么什么办法最好？

答案里最好的就是B了，如果只是客人的近亲可以用的话，那优惠卷就不可以被随便买卖了。

sindycindy

I C !Thanxxxxxxxxxxxxxxxxxxxxxxxxxxx!