It was unfortunate that many houses ______ in the big fire.
A、
were to be destroyed
B、
have been destroyed
C、
had been destroyed
D、
were being destroyed
【正确答案】
C
【答案解析】
语法知识。It was unfortunate...之前所发生的动作用过去完成时；从句中主语是房屋，被毁坏，所以要用被动语态。
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