The door opened suddenly and , laughing and shouting.
A. three boys ing in
B. e in three boys
C. in ing three boys
D. in came three boys
网友回答
A. three boys ing in
B. e in three boys
C. in ing three boys
(答案→)D. in came three boys
解析：句意：门突然开了，三个男孩进来了，说着叫着。And连接的是并列句，所以它的后面必须是一个独立的分句，必须有谓语动词，故排除AC因为副词in放在句首，主语是名词时句子用完全倒装，故选D。