—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
—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
C
catch up with:跟上,赶上;keep up with:跟上;come up with 找到,想起;put up with:容忍.忍受,他已找到了解决问题的方法。故选项C。