When the audience heard the funny story, they laughter.
A. burst out
B. burst into
C. broke out
D. broke into
网友回答
A. burst out
(答案→)B. burst into
C. broke out
D. broke into
解析：句意为：当观众朋友们听到这个滑稽的故事时，他们突然发出了阵阵笑声
A.闯出来；突发；摆脱 B闯入；情绪的突然发作 C爆发，发生 D闯入
固定短语：burst into laughter突然笑出来