阅读理解，根据材料内容选择最佳答案。
Dear Mr Skinner,
    I am Kelly. I am Head of the Gates School of English in Chichester. I am writing to you on behalf of(代表)my students. I know that you are visiting Chichester for a week from next Wednesday. And I want to know whether(是否)it might be possible for you to visit the school and give a short talk to my students.
    My students are aged between 22 and 28. They come from different countries. Most of them are very interested in second language learning. They will be very excited if you can give a talk about that.
    I guess you must be really busy and that your schedule(日程安排)may already be completely full, but I truly believe that you would find such a visit very rewarding. You know, my students are very kind and smart, and I'm sure you'll have a very enjoyable experience.
    If you feel that you could make time to visit the school and give us a talk, would you be kind enough to ask your secretary(秘书) to give our academic administrator(教务管理员), Miss Markham, a call? Her phone number is 639249.
    Thank you for taking the time to read this email and I hope to hear from you in the near future.
Yours sincerely,
Kelly Gilbert