单选题The ultimate communications machine should be _____.Aas big as a laptopBas informative as a computerCas functional as the combination of a computer, a television and a mobile phoneDso cheap as to everyone can have one
单选题
The ultimate communications machine should be _____.
A
as big as a laptop
B
as informative as a computer
C
as functional as the combination of a computer, a television and a mobile phone
D
so cheap as to everyone can have one
参考解析
解析：
根据第一段、第二段和第三段的叙述，最优的通讯设备要遵循小巧和多功能的原则。因此专家们考虑它有可能是集计算机、电视和移动电话等通讯工具的功能于一身的设备。
根据第一段、第二段和第三段的叙述，最优的通讯设备要遵循小巧和多功能的原则。因此专家们考虑它有可能是集计算机、电视和移动电话等通讯工具的功能于一身的设备。
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