The electricity ____,the light went out.

问题描述:

The electricity ____,the light went out.
A.cut off\x05B.having cut off\x05C.was cut off\x05D.had cut off

A 过去分词表被动,电源被切断,等熄灭了
句子谓语动词是went out,所以只能填非谓语动词.
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