A
解析burst into laughter 突然大笑 这个是固定用法，前面是不加to的，所以排除下来只有选择A了!例子：1.When I told the joke everyone Burst into laughter .当我说这笑话时每个人都忍不住笑出来.2.Willie glared at her for a moment, then he burst into laughter .威利先是对她怒目而视,随着也哈哈笑起来.3.The teacher cracked a joke and all the kids burst into laughter .老师讲了一个笑话,孩子们哄堂大笑.
