题干
______ 2000，this company has seen much new development．It has become one of the biggest companies in the country．
A：For
B：In
C：By
D：Since
答案(点此获取答案解析）
D
______ 2000，this company has seen much new development．It has become one of the biggest companies in the country．
A：For
B：In
C：By
D：Since
