he thought he was helping us with the work he was actually in the way.A. Because 　　　B.

问题补充：

he thought he was helping us with the work , he was actually in the way.

A. Because

B. If

C. Although

D. When

答案：

A. Because

B. If

(答案→)C. Although

D. When

解析：连词辨析。Because因为；If 如果；Although 尽管；When既然，当……时。句意：尽管他认为他是在帮我们做工作，但是他实际上妨碍我的工作了。根据上下文关系可知选C为最佳答案。原答案有误。