the fallen trees____away and the traffic is dead on roadA.have been dragged B.are dragging C.were dragged D.are being dragged 为什么

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thefallentrees____awayandthetrafficisdeadonroadA.havebeendraggedB.aredraggingC.weredraggedD.arebeing

the fallen trees____away and the traffic is dead on roadA.have been dragged B.are dragging C.were dragged D.are being dragged 为什么
the fallen trees____away and the traffic is dead on road
A.have been dragged B.are dragging C.were dragged D.are being dragged 为什么

the fallen trees____away and the traffic is dead on roadA.have been dragged B.are dragging C.were dragged D.are being dragged 为什么
D
首先B,C不对,因为要用被动语态,排除
再看A,如果是已经被拖走了,那么交通不可能还不畅通,所以只能是D,树正在被拖走,造成交通堵塞

d
此处动词应采用被动式,而且根据语境表达的意思 交通仍处于瘫痪状态 所以倒下的树应该正在被拖走才对 所以选择d 答案
谢谢