A company with three sites （one local production site， one intermediate site， and one remote site） wants to use Metro/Global Mirror.  Which statement is correct about the volumes at the intermediate site（）

• A、the intermediate site volumes are Metro Mirror target volumes for the remote site
• B、the intermediate site volumes are Global Mirror target volumes for the remote site
• C、the intermediate site volumes are both Global Mirror source and Metro Mirror target at the same time
• D、the intermediate site volumes are alsoFlashCopy sources for the remote site