At discussion, Jack an idea that they should bring down the price of the bicycles.
A. came about
B. came up
C. came out
D. came up with
网友回答
A. came about
B. came up
C. came out
(答案→)D. came up with
解析：此处 came about发生；came up上升；came out开花，出版；came up with提出。句意：在讨论过程中，Jack提出了他们应该降低自行车价格的想法。根据句意选D。