Some people think that Japan has enterd the aged society____it is ready for this.
问题描述：
Some people think that Japan has enterd the aged society____it is ready for this.
Some people think that Japan has enterd the aged society_it is ready for this.
A.after
B.as
C.before
D.until
答
C
意思是 许多人认为,日本在其还没准备好的时候,就已经进入了老龄社会.