He said,“I have been a great tutor.” A. He said that he had been a great tutor. B. He said that he was a great tutor. C. He exclaimed that he was a great tutor. D. He said that he has been a 17/50He said,“I have been a great tutor.”He said that he had been a great tutor. He said that he was a great tutor.He exclaimed that he was a great tutor. He said that he has been a great tutor.Giải thíchChọn A