A customer has a 4-core POWER6 570 with 4 partitions and a 2-port 1Gbps Integrated Virtual Ethernet (IVE) Adapter. They are having problems with throughput on the Ethernet adapter and want to improve performance. Which of the following solutions will help the customer with this issue for the least cost and with the least interruption?（）

• A、Order a 2-port 1Gbps Ethernet LAN adapter.
• B、Order a 2-port 10Gbps Ethernet LAN adapter.
• C、Upgrade the IVE adapter to a 4-port 1Gbps IVE adapter.
• D、Upgrade the IVE adapter to a 2-port 10Gbps IVE adapter.