【题目】The president of the World Bank says he has a passion for China , he remembers starting as early as his childhood.
A.where
B.which
C.what
D.when

【答案】B
【解析】句意：世界银行主席说他对中国有一种他早在童年时期就有的热情。先行词为passion，定语从句中缺少宾语，故用关系代词which。因此选B。