【题目】Happiness and success often come to those are good at recognizing their own strengths.
A. whom B. who C. what D. which
在线课程【答案】B
【解析】试题分析：考察定语从句。题干的意思是：“快乐和成功经常会眷顾那些善于欣赏自己优点的人。”分析句子成分可知，“________are good at recognizing their own strengths”是定语从句，修饰先行词those，从句中缺少主语，故用who引导。故选B。