（）promises to streamline the on－demand provisioning of software,data as a service, achievi

（）promises to streamline the on-demand provisioning of software,data as a service, achieving economies of scale in IT solutions deployment and operation.

A.Big data

B.Cloud computing

C.Internet

D.CPS

请帮忙给出正确答案和分析，谢谢！

参考答案

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