【题目】Quantities of soil ________ in the area, resulting in the increasing number of natural disasters.
A. is washed away B. have washed away
C. have washed away D. have been washed away
在线课程【答案】D
【解析】考查时态和语态。句意：在这个地区大量的土壤被冲走了，结果导致自然灾害数量增加。句中soil和wash away是被动关系，此处指土壤已经被冲走并对现在造成影响，故要用现在完成时，要用现在完成时的被动语态，故选D。