146.---to use in April,2005,the road has solved the long-standing problem of traffic jams of this area.

问题描述:

146.---to use in April,2005,the road has solved the long-standing problem of traffic jams of this area.
A.Put
B.Putting
C.Having put
D.Being put

主语是“the road(这条路)”,是被使用,应该使用被动语态;而且是“被使用后‘,而不是”正在被使用“所以选不选being put,而选A(put 的过去分词还是put)