Professor Haley told me that he__________by many of his students at the railway station.
A.had been seen off
B.have been seen off
C.had seen off
D.have seen off
Professor Haley told me that he__________by many of his students at the railway station.
A.had been seen off
B.have been seen off
C.had seen off
D.have seen off
A
学生为Haley教授送行的事实发生在他告诉我之前,故而要用过去完成时。