当前位置：在线题库搜索＞[单选题]Windows 7中录音机录制的声音文件默认的扩展名为（）。的答案是什么？
问题：
[单选题]Windows 7中录音机录制的声音文件默认的扩展名为（）。
A、MP3
B、WAV
C、WMA
D、RM
参考答案：
C
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