---I can’t work it out in this way.---Why not it another way?A. try to doB. try doingC. t

问题补充：

---I can’t work it out in this way.

---Why not it another way?

A. try to do

B. try doing

C. trying to do

D. trying doing

答案：

A. try to do

(答案→)B. try doing

C. trying to do

D. trying doing

解析：短语辨析. try to do尽力做某事 try doing尝试做某事.句意:用这种方法我不能解决它.——为什么不试试另一种方法呢？why not后用动词原形,故选B。