You can hardly imagine the difficulty Mrs. Jones had up her children.A. broughtB. to brin

问题补充：

You can hardly imagine the difficulty Mrs. Jones had up her children.

A. brought

B. to bring

C. bringing

D. to have brought

答案：

A. brought

B. to bring

(答案→)C. bringing

D. to have brought

解析：本题考查非谓语动词。have difficulty/ fun/trouble/a hard time...(in)是常用句型。Mrs Jones had是定语从句。