Mychiefpurposeis________thedifficultiesofthematter.A.pointingoutB.tobepointedC.pointedD.topointout

问题：Mychiefpurposeis________thedifficultiesofthematter.A.pointingoutB.tobepointedC.pointedD.topointout

答案：↓↓↓

傅雄军的回答：

网友采纳　　答案D　　句中不定式表示的是主动的动作,排除B、C.动名词表示抽象的、总括的概念,不定式表示某一次具体的动作,故答案选D.