Which of the following contains an adverbial clause of cause?

问题描述:

Which of the following contains an adverbial clause of cause?
  A.I got a job as soon as I left university.
  B.As there was no answer,I wrote again.
  C.You must do the exercises as I show you.
  D.Wealthy as he is,Mark is not a happy man.

以下哪个表达包含了一个原因状语从句?
选择B
A 我毕业后就找到了工作
C你要象我告诉你那样做练习
D尽管他很富有,Mark并不快乐
这里就是考as的几个用法为什么不选A呢因为A是表达时间,一毕业就找到了工作 毕业和工作之间没有原因的关系谢谢额满意请选为满意答案,谢谢