题目内容：
请根据以下内容回答题Dear Siror Madam,
With reference to your advertisement inChina Daily on November 28th. 2008, I am writing to express my interestin applying for the captioned post.
I am presently a programmer at SuccessSecurities. Ltd. , and my 2-year contract will expire soon. By ap- plying forthe post I am looking forward to switching to a larger, more sophisticated andmore computerized company so that I can enrich myself to meet the challengesthat a large company poses.
Please refer to the enclosed resume forthe technical details of my past duties. I would be available for an interviewat your convenience. Thank you for your attention to this application.
Yours truly,xxx
Where does he find the advertisement?
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参考答案：【答案仅供学习，请勿对照自行用药等】
答案解析：