Mother Teresa has for the poor.
A. devoted to care
B. devoted to caring
C. been devoted to caring
D. been devoted to care
网友回答
A. devoted to care
B. devoted to caring
(答案→)C. been devoted to caring
D. been devoted to care
解析：考查固定词组。固定词组be devoted to sth/doing sth努力做某事；其中的to是介词，后面接名词或者动名词形式；句意：特丽莎修女一致都致力于照顾那些穷人。故C正确。