An administrator issued a command to update thefirmware of an Ethernet adapter on a partitioned system, but received an error. What is the most likely cause of the problem?（）
A. The adapter must be taken offline prior to the firmware update.
B. The system has not been rebooted since the adapter was added to the LPA
C. The adapter must be assigned to the service partition prior to updating the firmware.
D. The adapter must be dynamically removed from the LPAR prior to updating thefirmware.
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