You are designing a Windows Server 2008 R2 Hyper-V Virtualization environment. Your host servers must have the following elements： - A dedicated management network adapter. - A dedicated virtual network for child iSCSI network traffic. - A dedicated virtual network for child network traffic with VLAN tagging. You need to choose adapters that minimize the host server processing. Which adapters should you choose？（）

• A、Two network adapters that support 802.1p， and one iSCSI host bus adapter
• B、Two network adapters that support 802.1p， and one network adapter that supports TCP Chimney
• C、Two network adapters that support 802.lq， and one network adapter that supports Jumbo frames
• D、Three network adapters that support 802. 1p