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．It was announced that only when the fire was under control to return to their homes．
A. the residents would be permitted
B. had the residents been permitted
C. would the residents be permitted
D. the residents had been permitted
网友回答
A. the residents would be permitted
B. had the residents been permitted
(答案→)C. would the residents be permitted
D. the residents had been permitted
解析：可联系答.案.网客服索取。