【評論主題】【題組】35. Which of the following statements are true?(A) There are about 20.6 million smokers in Japan

【評論內容】the lowest rate since the survey started in 1965.由上句可以看出此項調查從1965開始，(B) The long-term survey started about fifty years ago.是指這項調查從50年前就開始了 2015-1965=50故B是正確的