阅读下列短文，从每题所给的四个选项（A，B，C和D）中，选出最佳选项。

　　A hundred years ago Hong Kong was just a small fishing village. There were only a few thousand people. They lived a simple life.

　　Houses were two-storeyed then at most. There were no buses or cars. While poor people traveled on foot the rich traveled by rickshaw(人力车). The roads were covered with stones. There were no big ships or ocean liners. People sailed on small boats or sampans(舢板).

　　Within the last hundred years there has been great important everything. People worked hard to make Hong Kong a commercial(商业的) center. Multi-storeyed buildings wide roads and flyovers can be seen everywhere we can travel by bus tram taxi or underground. Planes and ocean liners come from different parts of the world every day.

　　Hong Kong is now a famous city. Many people from other countries do business or work here the city already has over six million people and there will be more in the future. Life in Hong Kong is not simple at all nowadays. People must work harder in order to make a living.

　　It is more than five years since Hong Kong returned to China in 1997. Our PLA soldiers have stationed there. We are sure Hong Kong will have a more beautiful future.

1．One hundred years ago Hong Kong was ________.

[　　]

A．a small city

B．a small farm village

C．a small fishing village

D．a commercial center

2．At that time people went out to sea ________.

[　　]

3．There has been great improvement in Hong Kong within the last hundred years ________.

[　　]

A．because of the hard work of the people in Hong Kong

B．because Hong Kong is very famous

C．because lots of people have worked there

D．because of its return to China

4．Name four things which show Hong Kong is a modern city.

[　　]

A．small fishing village underground car and shops.

B．taxi multi-storeyed buildings flyovers and wide roads.

C．roads covered with stones multi-storeyed buildings tram and bus.

D．planes sampan ocean liners and big shops.

5．What's the passage mainly about?

[　　]

A．Hong Kong a hundred years ago.

B．Hong Kong the past and the present.

C．Hong Kong a modern city.

D．Hong Kong's return to China.