Mary devoted all her money she owned people in need.A to help B helping C helped D to he

问题补充：

Mary devoted all her money she owned people in need.

A to help B helping C helped D to helping

答案：

解析：考察非谓语动词。句意：玛丽捐出了她拥有的所有的钱来帮助那些困难中的人们。本句中she owned做后置定语修饰her money。短语devote sth to sb把……捐赠给，to是介词，后面接名词或者动名词做宾语，动名词作宾语表示抽象动作，结合语境可知选D。