【正确答案】 A

【答案解析】[分析] 本题测试短语动词的用法。put up意为“建起”，put on“穿上”，put out“扑灭”，put off“推迟”，仅 A项符合题意。
例：He put on his coat and went out．
Don，t worry．The meeting has been put off already．
They put up a tent and began to make a fire．