[单选题]Which option must you choose to configure Node Man

AConfigure one Node Manager per domain (for example, if there are two domains on one  machine, then you will need to configure two Node Managers).

BConfigure one Node Manager per machine with any number of WebLogic instances running on it.

CConfigure one Node Manager per machine for all WebLogic, OHS, and OEM running on the  same machine.

DConfigure one Node Manager for every WebLogic instance.

EConfigure two or more Node Managers for every WebLogic instance.