A client has tried to update the firmware of an Ethernet adapter on a p5 590, however it repeatedly fails. What is the most likely cause of this problem?（）

• A、The adapter must be taken offline prior to the firmware update
• B、The adapter must be assigned to the service partition prior to the firmware update
• C、The system has not been rebooted since the adapter was added to the Logical Partition
• D、The adapter must be dynamically removed from the Logical Partition prior to the firmware update