It must be the flying disk invented by college students.This sentence means “________”.A.It couldn't be the flying disk invented by college students.B.I'm sure it is the flying disk invented by college students.C.Maybe it is the flying disk invented by college students.D.It is sure that the flying disk was invented by college students.
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B解析这句意思是：“这一定是大学生发明的那个飞盘”。