Question

When we got to Yushu airport , we were told that they          more than 500 people from the ruins(废墟) by earthquake.
A. has saved                  B. saved                  C. had saved    

Answer 1

C

考察时态。句意：当我们到达玉树机场时，有人告诉我们他们已经在地震废墟中救了超过五百人。结合语境可知从句中描述的是过去某时已经完成的动作，故用过去完成时态。选C。