---Why don’t you your ideas on paper? Then you won’t forget them.
--- Sounds a good idea.
A. put aside
B. lay down
C. set down
D. do with
网友回答
A. put aside
B. lay down
(答案→)C. set down
D. do with
解析：短语辨析。put aside撇开，扔下；lay down放下，放弃；set down写下，记下；do with对付，处理。句意：你为什么不把你的想法写在纸上？那样你就不会忘了。所以选C。