Questions 17—20 are based on a conversation between Dr. Frances and Li Ming about Li Ming’ s planned visit to Cambridge. You now have 20 second to read Questions 17—20. What is the point Dr. Frances is making when he mentions Ali
A．Some things cannot be learned from books. B．Foreign students am very much alike. C．Choice of where to live varies from person to person. D．Convenience is his first consideration in choosing where to live.