I wonder ( ) he has passed the exam

问题描述:

I wonder ( ) he has passed the exam
A.thar B.whether C.which D.what
请说明理由
对不起 A选项应该是 that

选B
wonder在作为惊讶的意思时,接that引导的宾语从句
wonder作为”想知道”的意思时,后面接一般疑问句,所以whether.