the rain falling so hard, it becomes more and more difficult to carry on the res

_______ the rain falling so hard, it becomes more and more difficult to carry on the rescue work.

试题答案

C

解析试题分析:句意：雨下地这么大，实施救援工作变得越来越难。A既然，自从；B由于；C带有；D因为，为了。由结构判断前面没有谓语动词，是with 复合结构，选C。

考点：考查固定结构。