Youcanhardlyimaginethedifficultythewomanhad________herchildren.
A.brought upB.to bring upC.bringing upD.to have brought up在线课程C
解析：
这题考查动名词做宾语的用法：have difficulty（in）doing“做某事有困难”，句子中省略了in，bringing up是做in的宾语。句意是：你很难想象这个妇女养大孩子有多难。选C。