（）is a computer technology that headsets,sometimes in combination with physical spaces or multi-projected environments,to generate realisitic images,sounds and other sensations that simulate a user’s
（）is a computer technology that headsets,sometimes in combination with physical spaces or multi-projected environments,to generate realisitic images,sounds and other sensations that simulate a user’s physical presence in a virtual or imaginary environment.(2017年下半年信息系统项目管理师)
A、Virtual Reality
B、Cloud computing
C、Big data
D、Internet+
参考答案：A
参考解析：