The big fire was danger to the building which was in danger of being burned down.A. the

问题补充：

The big fire was danger to the building, which was in danger of being burned down.

A. the, the

B. a, the

C. a, \

D. the, \

答案：

A. the, the

B. a, the

(答案→)C. a, \

D. the, \

解析：考查冠词：第一空填a，danger是抽象名词具体化，表示“一件危险的事情”，第二空考查词组in danger处于危险之中，句意：大火对大楼是一个危险是事情，它处于被烧毁的危险。选C。