题目内容：
January 15Esther Chen
555 Queens Road
Leeds, England
Dear Dr. Chen
Thank you for your letter. We understand that you have decided not to47your subscription to international medicine. We are truly sorry to lose you as a subscriber. As you know, most other journals in the field focus on specialized research topics, with little48to day-to-day medical care. Our magazine is one of the few to feature new advances in both medical research and clinic at practice.
We would like to offer you a 40 percent discount on one year' s subscription. Plus, if you con-tact our subscription office before January 30, we will send you any issues you have missed free of charge. Please mention my name in order for your discount to be applied49.
We hope to hear from you.
Sincerely,
Robert Goldberg
Vice President, Subscriptions Department
阅读以上短文，回答题。
第47题答案是__________ A．renew
B．review
C．supply
D．include
参考答案：
答案解析：