He told me his story in private， nobody else knew what had happened to himA. butB. soC. w

He told me his story in private， nobody else knew what had happened to him．
A. but
B. so
C. while
D. or

A. but(答案→)B. soC. whileD. or解析：试题分析:句意：他私下里告诉了我他的经历，所以其他人不知道他发生过什么事。A但是；B因此；C当……时候；D或者，否则。根据前后句内容可知此处是因果关系，故答案选B。

这个问题的回答的对