—Does he know how to work out the problem?---Yes he has a good idea to solve it.--Yes

问题补充：

—Does he know how to work out the problem?---Yes, he has a good idea to solve it. ----Yes, he has a good idea to solve it.

A. caught up with

B. kept up with

C. come up with

D. put up with

答案：

A. caught up with

B. kept up with

(答案→)C. come up with

D. put up with

解析：come up with意为：想出/找到（答案或想法）；A为赶上。B为跟上；D为容忍。