题目内容：

could you tell me ----you think is the greatest American artist.
后面的--you think is the .,不知是主从句还是是宾从如果填whom就是主从做think的宾语,同事填who,认为you think是插入语

优质解答

who
you think 在句中只是插入语,可有可无
who 在句中做is the greatest American artist这句的主语