单选题

　　[阅读理解]The great sea voyages of Europe's “Age of Discovery，” such as Christopher Columbus's trip to the West Indies in 1492， would have been impossible without the use of a compass. This great device for sea voyages was introduced to the West from China during the thirteenth century We have to thank ancient Chinese for their invention of the compass.

　　What is the paragraph mainly about？

　　A.Columbus was a great sailor and discoverer.

　　B.The compass was invented by Columbus.

　　C.The invention of the compass is important in human history.

　　D.Columbus introduced the compass to the West Indies.