单选题
[阅读理解]My teacher once said to me， “If you don‘t quit， you will win”。 I have no desire to quit writing as I’m having too much fun. My thanks go to Associated Content and the Yahoo！ Contributor Network for all my progress in writing！ And to my fellow writers — thank you so much for your support and friendship. May we continue to support each other for many years to come！
We can learn from the passage that _________.
A.the author thinks writing on the Net is very easy
B.the author has his first book published on the Net
C.two years has passed since the author began writing
D.the author is grateful for the content sites sincerely
正确答案：D
答案解析：答案选D。由本段的My thanks go to Associated Content and the Yahoo! Contributor Network for all my progress in writing知道作者感谢他提到的网站给他的支持和帮助。因此选D。