单项选择题
Questions 13 to 16 are based on the conversation you have just heard.
A.A year of practical training. B.A happy childhood. C.A pleasant neighbourhood. D.A good secondary education.
A.College tuition has become a heavy burden for the students. B.College students are in general politically active nowadays. C.He took part in many protests when he was at college. D.He is doubtful about the effect of the students’ action.