单项选择题男孩,2岁。发热、咳嗽3天,今日突然出现气促、呼吸困难,紫绀,面色苍白,心率增快达180次/分,两肺闻及粗湿啰音和哮鸣音,肝肋下3cm。最可能合并的是
单项选择题The operation was cancelled because Chief Doctor _____ it.