You can hardly imagine the trouble the woman hadher children.A. brought upB. to bring upC.

问题补充：

You can hardly imagine the trouble the woman hadher children.

A. brought up

B. to bring up

C. bringing up

D. to have brought up

答案：

A. brought up

B. to bring up

(答案→)C. bringing up

D. to have brought up

解析：试题分析：句意：你很难想象这个女的抚养孩子有多难。这句话用了词组：have difficulty/trouble （in） doing sth“做…很困难”，the trouble是先行词，the woman had bringing in her children是定语从句，修饰the trouble，选C。