By the time I see you again, I from that school.
A. have graduated
B. graduated
C. will have graduated
D. graduate
网友回答
A. have graduated
B. graduated
(答案→)C. will have graduated
D. graduate
解析：句意：到我再次看见你为止，我将已经从那个学校毕业了。By the time是连词短语，连接时间状语从句，往往和完成时连用，因为时间状语从句是一般现在时，主句是将来完成时，选C。