They found the article was hard ( )A.to be understand B.to understand C.for understanding D.to have been understood
问题描述：
They found the article was hard ( )
A.to be understand B.to understand C.for understanding D.to have been understood
答
答案：They found the article was hard 【to understand 】.
翻译：他们发现这篇文章很难理解.
解析：find it hard to do sth.翻译为发现做某事很难.
原创回答,欢迎采纳
【你的10分满意,我们团队的无限动力】