(单选题)
The author wrote the text mainly to ______.
A.encourage Children to join a quiz show
B.introduce four educational TV programs
C.show that TV has little educational value
D.discuss whether children should watch TV
参考答案：B
参考解析：
主旨大意题。根据第一段最后两句“However, some television programs can improve our knowledge of certain things. Here are some of my favorite shows”可知，全文介绍了4个教育意义不同的电视节目。故选B。
知识点：
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