Mr White is going to give us a report his( )tour around Austarlia.A.in B.on C.to D.of 理由,

题目

Mr White is going to give us a report his( )tour around Austarlia.A.in B.on C.to D.of 理由,
Mr White is going to give us a report his( )tour around Austarlia.
A.in B.on C.to D.of

答案

应该是on
因为,on =about 关于
另外,你题目的词序可能是打错了
应该是a report on his tour
关于他旅游的报告,讲座