单选题
Computer ______ is a complex consisting of two or more connected computing units, it is used for the purpose of data communication and resource sharing. A．storage B．device C．network D．processor
【正确答案】
C
【答案解析】由more connected computing units及purpose of data communication and resource sharing可以断定此处所说的是计算机网络，故应选择C。 [参考译文]计算机网络由两个或多个相连接的处理单元组成，用来数据通信和资源共享。