The boy read the article and found something important in it.
A. careful enough
B. carefully enough
C. enough careful
D. enough carefully
网友回答
A. careful enough
(答案→)B. carefully enough
C. enough careful
D. enough carefully
解析：此题考查enough在作为副词时在句子中的位置。常放在被修饰词的后面。此句的含义是这个小男孩读书非常认真，在书中发现了一些重要的东西。Carefully是副词，故选B。