China’s economic development has made rapid progress in the past 10 years, and young people have made great contribution to this progress.
A. a; a
B. the; /
C. /; a
D. /; /
网友回答
A. a; a
B. the; /
(答案→)C. /; a
D. /; /
解析：考查冠词。make progress取得进步；make a contribution to对……作贡献，根据句意选C。