試題詳解

31. So far, no traffic accidents have been attributed to the missing street-light poles.
(A) Although some street-light poles are found missing, traffic accidents are not said to have had anything to do with it.
(B) Owing to traffic accidents, a few street-light poles are pulled up.
(C) A few street-light poles are attributed to traffic accidents. In other words, if there had been no traffic accidents, there would be no street-light poles.
(D) No sooner had the street-light poles been removed than traffic accidents happened in succession.