问题补充：
I am concerned, the meeting held last week is a great success.
A. As long as
B. As well as
C. As far as
D. As soon as
答案：
A. As long as
B. As well as
(答案→)C. As far as
D. As soon as
解析：词语辨析。As far as I am concerned据我所知；As long as 只要； As well as 以及；和…一样好；As soon as 一…就。 句意：据我所知上周举行的会议很成功。 根据句意选C
