一道英语词汇题.

问题描述:

一道英语词汇题.
In an effort to maintain social balance,the * several years ago( )a policy of encouraging college graduates to take offical positions in rural areas.
A.adapted B.adjusted C.adopted D.admitted
请翻译一下句子和说下ABCD的中文意思.

A 使适应,改编
B 调整,调节,
C 采用,收养
D 容许,承认,接纳
当然选C 了.
*几年前就采用了鼓励大学毕业生到乡村担任公职.