People in ancient times series of important events so that we now have what is called history.
A. went down
B. kept down
C. set down
D. broke down
网友回答
A. went down
B. kept down
(答案→)C. set down
D. broke down
解析：考查词组：A. went down下来，B. kept down低落C. set down记下D. broke down破裂，抛锚，句意是：古代的人记下系列重要的事，这样我们就有历史了。选C。