【题目】Happiness and success often come to those ________ are good at recognizing their own strengths.
A.whom
B.who
C.what
D.which

【答案】B
【解析】句意：快乐与成功有时会伴随那些对自己能力有很多认识的人。________ are good at recognizing their own strengths是一个限定性定语从句：修饰先行词those“那 些人”，指人，同时引导词又在后面的定语从句中作主语，故用who，选B。