W: How were your exams,Mike? M: Not too bad. But I'm sure I made some mistakes in the science paper and maths paper. W: Me, too. The science paper was not easy this time, was it? M: It seems that our new science teacher likes to give us tough exams. W: I have the same feeling. He looks only 25 or so. M: Maybe he hopes to make us pay more attention to his lessons in this way. W: Really? M: Well. I'm only joking., Question: What is the most probable relationship between the man and woman? (A) They are friends. (B) They are classmates. (C) They are teacher and student.
(B) They are classmates.