It’s reported that the fire that ______ at two o’clock last night caused a lot of damage
A.breaking outB.breaks outC.broke outD.was broken out在线课程C
考查词组break out的用法，break out不能用被动式，D不对，这里要填谓语，A不对，时态是过去时，选C，句意是：据报道昨晚发生的大火造成很大损失。选C。