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. 1