All client computers in your company run Windows 7 Enterprise. Users run Windows XP Mode guest virtual machines (VMs) on their computers. Each client computer runs two guest VMs. Each guest VM requires network connectivity to the other guest VM on the host computer, but must not have network connectivity to the host computer operating system or to the Internet. You need to configure each guest VM to meet the requirements. What should you do?（）

A. Set each VM network adapter to Not connected.
B. Configure each VM to use one Internal Network network adapter.
Configure each VM to use one Shared Networking (NAT) network adapter.
Disable Integration Features for each VConfigure Windows Firewall to allow incoming ICMP traffic, and remove all other Windows Firewall exceptions.