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

问题补充：

—Does he know how to work out the problem?

—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：考查短语。Catch up with追上，赶上；keep up with保持；put up with忍受；come up with 想出；句意：—他知道如何解决那个问题吗？—是的。他已经想出了一个解决的好方法。根据句意说明C正确、