题目内容

Since I broke my leg, my telephone hasn't stopped ringing.My friends ________ to find out if the injury was serious.


  1. A.
    were trying
  2. B.
    had tried
  3. C.
    have tried
  4. D.
    are trying
A
考查时态。根据句末的was serious可知是对过去情况的叙述,再结合句中的my telephone hasn't stopped ringing可知是过去一段时间内一直持续的动作,所以用过去进行时。
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