问题
It was until last year that he ______.
A:left his home town for a new start
B:came to realize the importance of leaving English
C:worked as an English teacher at a middle school
D:set out to build a new house of h his own
B:came to realize the importance of leaving English
C:worked as an English teacher at a middle school
D:set out to build a new house of h his own
正确答案是：
