题目

 阅读理解；根据短文内容，选择最佳选项。 Kites have a long history. They may date back(追溯到) long time ago. They were made of bamboo and silk in China. Nobody knows exactly how or when a kite was first flown, but it is said that when a Chinese farmer tied a string(绳子) to his hat to keep it from blowing away in a strong wind, the first kite was born.  Children like playing with kites. Kites for work or play are made of wood, bamboo, paper, or silk. In 478 B.C., a Chinese philosopher(思想家), Mo Zi, spent three years making a kite out of light wood and baIt is difficult for him to make both ends ________ with ________ cost.A. met / risingB. meet / risenC. met / risen D. meet/ rising