This math question is too difficult. Can you help me?A. work on itB. work out itC. work it

问题补充：

This math question is too difficult. Can you help me?

A. work on it

B. work out it

C. work it out

D. work for it

答案：

A. work on it

B. work out it

(答案→)C. work it out

D. work for it

解析：句意：这道数学题太难，你能帮我做出来吗？work out解决，算出，代词要放在中间，故选C。