第27题: [单项选择]The possibility that the explosion was caused by sabotage cannot be______. A. broken out B. cancelled out C. ruled out D. wiped out 参考答案:C 答案解析:[解析] 本句意为“爆炸是由阴谋破坏所引起的可能性不能排除”。ruled out意为“用线划掉,取消,排除”,如:The snowstorm ruled out their weekly meetin