阅读下面短文，从下面每小题的A、B、C、D四个选项中选出最佳选项。 When you are waiting for a bus at a station, a 31-metre-long bus is coming to you. You must be surprised. In fact, the 31-metre-long bus is the longest bus in the world. And the bus comes from Germany. An ordinary bus is only about 10 metres long and it can carry only 80 people once. But the longest bus can carry 256 people. So we will need fewer buses in the future. The longest bus can save energy, too. That's to say, it will take less energy than an ordinary bus. Moreover, the driver can drive the longest bus as easily as an ordinary one. However, firstly, it has to spend $ 10, 000, 000 buying the longest bus. Someone jokes that we can buy a lot of ordinary buses with that money. Secondly, people think that it is hard for the longest bus to travel on the bustling streets. It may cause new traffic problems. Thirdly, it is easy for someone to get onto the bus without buying a ticket.（1）How long is the longest bus in the world? A．10 metres.B．25 metres.C．31 metres.D．40 metres.（2）How many people can the longest bus carry? A．80B．156C．256D．10, 000, 000（3）What does the underlined word mean in the passage? A．繁忙的B．宽阔的C．长长的D．漂亮的（4）Where was the longest bus made? A．In the US.B．In China.C．In Britain.D．In Germany.（5）What's the advantage (优点) of the longest bus? A．It can save energy for people.B．It cost less money.C．It's easy for people to drive.D．It doesn't cause new traffic problems.