急求一道高中英语选择题解释~_____her life to her son,the mother was pleased to _英语解答

急求一道高中英语选择题解释~
_____her life to her son,the mother was pleased to see him_____a famous university at last.
A.Devoting;being admitting to
B.Dvoted;admitted to
C.Devoted;admitted to
D.Devoting;admitted to
正确答案是D,请解释一下（主要解释第一空）.

人气：162 ℃　时间：2020-01-28 12:21:06

解答

v-ing形式表示动词和后面的名词是主动关系吧?我表达能力比较差,就是“devote her life”而不是“her life's devoted”,再者,devote的主语只能是人吧?
个人觉得第二问其实差不多