英语翻译

题目

英语翻译
So uncertain（ ）about the background of his audience that he didn't know how to start
his lecture.
A.he would become
B.would he become
C.he had become
D.did he become
选哪个呢?为什么?

答案

So uncertain（ ）about the background of his audience that he didn't know how to starthis lecture.A.he would becomeB.would he becomeC.he had becomeD.did he become选哪个呢?为什么?答：D译：他对听众的背...