【单选题】 To have a computer without being connected to the Web is like having an old radio when everybody else has a color TV. That helps explain ______ businesses are setting up Net sites even though profits are nowhere to see.
A．reasons
B．the reason for
C．why
D．why that
网考网参考答案：C
网考网解析：
[分析] 结构分析
此处需填一个连接副词来引导后面的名词从句，因表原因，因此用why；连接副词引导的名词从句前后不能再加that；所以C为答案。
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