题目

Many people are surprised when they find that the Internet was set up in the 1960s. At that time, computers were large and expensive. Computer networks didn't work well. If one computer in the network broke down, then the whole network stopped. So a few network system had to be set up. It should be good enough to be used by many different computers. If part of the network was not working, information could be sent through another part. In this way computer network system would keep on working all the time. At first the Internet was only used by the government, but in the early 1970s, un某位同学在广安市街头看见一辆汽车，该汽车车牌号码如图所示，由此判断这辆车所属的省级行政区域单位是（ ）A．河北省 B．上海市 C．贵州省 D．湖北省