题目内容：

    Traveling is very popular among students in Britain. 1. There are many ways of traveling at cheaper prices. 

The cheapest way to travel is hitchhiking(搭便车). 2. Sometimes it can be dangerous, so it’s better to use normal public transport(运输).

If you want to travel by train, you can get a student ID card. 3. If you want to travel to far places, you’d better travel by air. 4. There are a lot of websites that sell cheap airline(航空) tickets to countries like the USA, Thailand and Australia. 5. Sometimes you might have to spend a few days at the airport before you get on a flight(班机).

阅读短文，根据短文内容，选择最佳选项填入横线上。其中有一个选项是多余的。

 

A. But this isn’t very safe.

B. Traveling by plane isn’t so expensive as it sounds.

C. Students don’t have a lot of money, so the trip has to be cheap.

D. However, when you buy such a ticket, you may have to wait and see when you can take   the plane.

E. With this card you can get train tickets at a cheaper price.

F. Traveling by train is safe for us.

A. But this isn’t very safe.

B. Traveling by plane isn’t so expensive as it sounds.

C. Students don’t have a lot of money, so the trip has to be cheap.

D. However, when you buy such a ticket, you may have to wait and see when you can take   the plane.

E. With this card you can get train tickets at a cheaper price.

F. Traveling by train is safe for us.