完型填空。阅读下面短文，掌握其大意，然后从以下题所给的A、B、C、D四个选项中，选出最佳选项。
In the letter，you asked me something about CCTV International. Now I will give you some information 1.________ it. CCTV International，2.________ was launched on September 25，2000，is the English language channel of China Central Television .I like the channel and 3.________ are three reasons.
