Which of the Following Factors Has Contributed to an Increase

Which of the following factors has contributed to an increase in the popularity of cloud hosting?

A) demand for services that can run without the support of the Internet
B) development of virtualization technology that allows near-instantaneous creation of new virtual machines
C) development of Web services that can be accessed without meeting the service-oriented architecture specifications
D) increase in the cost of processors, data communication, and data storage