单选题
His unexpected arrival threw everything into______.
【正确答案】
C
【答案解析】解析:confusion n.一片混乱,骚乱(如:Lanny Budd was in a state of mental confusion.The news threw our plans into confusion.A man may keep calm amid confusion.)。mess n.(多与不定冠词连用)混乱的局面,困境(get in/intoa mess:be in a mess:make a mess of)。anarchy n.无政府状态。panic n.(众人的)惊慌,恐慌,慌乱(只用于形容人)。