The fire was finally brought under control, but extensive damage .
A. is caused
B. was causing
C. had caused
D. had been caused
网友回答
A. is caused
B. was causing
C. had caused
(答案→)D. had been caused
解析：句意：火势被控制住，但是巨大破坏已经造成。从The fire was finally brought under control,可知造成破坏是在过去的动作之前发生了，是过去的过去的动作，所以用过去完成时，而且damage和cause是被动关系，选D。