After he had solved the math problem he to deal with another one.A. went onB. put onC. g

问题补充：

After he had solved the math problem, he to deal with another one.

A. went on

B. put on

C. gave up

D. put up

答案：

(答案→)A. went on

B. put on

C. gave up

D. put up

解析：词义辨析。went on继续；put on穿上；gave up放弃；put up

挂起，张贴。句意：在他解决了这道数学题后，他又继续解决下一道。所以选A。