单选题 ______ all of us who are here tonight, I would like to thank Mr. Johnson for his informative talk.

【正确答案】 A
【答案解析】辨义:A.On behalf of代表;B.On account of由于,因为;C.In honor of向……表示敬意,为纪念;D.In terms of依照,用……的说法。据句意,A为正确答案。