-- Is this article difficult to understand? Yes it isn’t long and there aren’t any ne

问题补充：

-- Is this article difficult to understand?

-- Yes, it isn’t long and there aren’t any new words in it.

A. though

B. so

C. because

D. since

答案：

(答案→)A. though

B. so

C. because

D. since

解析：A 根据句意“这篇文章很难理解吗？”“是的，尽管它不长，也没有生词。”这里表示的是让步，故用though“尽管，虽然”。