通读下面的短文，然后从后面各题所给A、B、C、D四个选项中选择可以填入空白处的最佳答案。

The history of the compass（指南针）dates back to the Warring States Period（476—221 BC）, when Chinese people used a tool called Si Nan to point the direction.

After continuous improvement, a round compass （1） a tiny magnetized needle（磁针）was invented during the early Song Dynasty. One end of the needle points to the south and the other to the north. Then it was （2） to Europe during the Northern Song（960—1127）.

Before the invention of the compass, people depended on reading the （3） of the sun, the moon, and pole stars to tell directions. However, travelling was （4） in bad weather.

After the invention, people could easily find a direction when going out to sea and exploring unknown areas.

The invention of the compass has a strong influence on the world. The compass hugely （5） the trade and communication between countries.

（1）

A．

in

B．

with

C．

of

D．

at

（2）

A．

borrowed

B．

pushed

C．

returned

D．

introduced

（3）

A．

positions

B．

numbers

C．

sizes

D．

colors

（4）

A．

lonely

B．

difficult

C．

tiring

D．

meaningless

（5）

A．

controlled

B．

checked

C．

improved

D．

recorded