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【单选题】
关于流媒体技术说法错误的是:A.
在网络上传输音/视频等多媒体信息目前主要有下载和流式传输两种方案。
B.
流式传输时，数据由服务器向用户计算机的连续、实时传送，用户须等到整个文件全部下载完毕即可观看。
C.
流式传输避免了用户必须等待整个文件全部从Internet上下载才能观看的缺点。
D.
流媒体的传输方式有单播、组播、点播和广播四种
拍照语音搜题，微信中搜索"皮皮学"使用
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