单选题 The next morning people found the world outside their houses completely ____.(  )
【正确答案】 D
【答案解析】句意:人们在第二天早晨发现房外的世界完全变了。这里及物动词“found”的宾语“the world outside their houses”与宾补change之间是被动关系,所以这里应用change的过去分词形式“changed”作宾补。故选D。