You work as the IT professional in an international company which is named Wiikigo. You are experiencedin implementing and administering a network operating system. You are specialized in deploying servers，configuring Windows Server 2008 Terminal services and network application services， and configuring aweb services infrastructure. There is a server named S01 that runs Windows Server 2008 and Hyper-V inyour company. Three virtual machines are hosted on S01. According to the requirement of company policy，the virtual machines must not connect to the company network. All of the virtual machines need to beconfigured to connect to each other. You must meet the company policy. Which should you do？（）

A. The Connection should be set to Host for the network interface card.
B. The Connection should be set to None for the network interface card.
C. You should choose the Not connected option for each virtual machine.
D. The Enable virtual LAN identification option should be enabled for each virtual machine.